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Mevotech SMS6454 Coil Spring Set - Front
| Brand | Mevotech SMS6454 |
|---|---|
| Position | Front |
| Fits | Chevrolet and GMC · 746 vehicles |
Coil spring set. Restores suspension support with a direct replacement design.
For suspension spring replacement in a complete set.
Cross-references MOOG Chassis Products 6454, 566-211 and JCS1779T for the same application. See all 3.
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Front Coil Spring Set for GM Vans and Trucks
Mevotech SMS6454 is a front coil spring set for a wide range of Chevrolet and GMC full-size vans, pickups, Suburban models, and chassis applications from 1973-1995. It is a constant-rate spring application built for heavy-duty front suspension service on select GM platforms.
- Front coil spring set for GM C/K, G, R, P, and related chassis applications
- Constant-rate spring design for consistent front-end support
- Heavy-duty coverage for select Chevrolet G20, G30, C10, C20, and GMC G1500, G2500, C1500, C2500 applications
- Fits many 1973-1995 Chevrolet and GMC front suspension configurations
- Cross-references MOOG Chassis Products 6454 and other listed interchange numbers
Detailed Fitment and Application
Mevotech SMS6454 is built for front suspension use on Chevrolet G20, Chevrolet G30, GMC G2500, GMC G3500, Chevrolet C10, Chevrolet C20, GMC C1500, GMC C2500, Chevrolet R10, Chevrolet R20, GMC R1500, GMC R2500, and related GM truck and van platforms. This part number is also referenced as SMS6454 for catalog and search purposes, making it easier to match the correct front coil spring set for your vehicle.
This part cross-references MOOG Chassis Products 6454 for the same application.
What It Helps Address
- Front-end sag from worn coil springs
- Uneven ride height on heavy-duty GM vans and trucks
- Loss of suspension support under load
- Ride quality changes caused by fatigued constant-rate springs
- Fitment issues on select brake-code and suspension-code applications when the original spring is no longer serviceable
Installation Notes and Tips
Verify year, model, brake code, suspension package, gear ratio, and rear-wheel configuration before ordering. Fitment varies across Chevrolet and GMC C10, C20, C30, G10, G20, G30, K5 Blazer, Jimmy, Suburban, P10, P20, P30, R10, R20, R30, and related chassis applications. Compare the original spring specifications and front suspension codes to confirm the correct application for your vehicle.
Quality Assurance
Mevotech is a recognized aftermarket chassis brand with broad coverage for GM suspension applications. SMS6454 is cataloged for direct application matching across the listed Chevrolet and GMC front suspension fitments.
| Year | Make | Model | Body Type | # Doors | Liters | Cylinders | Fuel Type | Wheel Base | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|---|
| 1995 | Chevrolet | G20 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty |
| 1995 | Chevrolet | G30 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1995 | GMC | G2500 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty |
| 1995 | GMC | G3500 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1994 | Chevrolet | G20 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty |
| 1994 | Chevrolet | G30 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1994 | GMC | G2500 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty |
| 1994 | GMC | G3500 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1993 | Chevrolet | G20 | — | — | — | — | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1993 | Chevrolet | G20 | — | — | — | — | DIESEL | — | Front | Constant rate coil spring for various vehicles. |
| 1993 | Chevrolet | G30 | — | — | — | — | GAS | — | Front | Constant rate spring; with Vacuum Disc Brakes |
| 1993 | GMC | G2500 | — | — | — | — | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1993 | GMC | G2500 | — | — | — | — | DIESEL | — | Front | Constant rate coil spring for various vehicles. |
| 1993 | GMC | G3500 | — | — | — | — | GAS | — | Front | Constant rate spring; with Vacuum Disc Brakes |
| 1992 | Chevrolet | G20 | — | — | — | — | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1992 | Chevrolet | G20 | — | — | — | — | DIESEL | — | Front | Constant rate coil spring for various vehicles. |
| 1992 | Chevrolet | G30 | — | — | — | — | GAS | — | Front | Constant rate spring; with Vacuum Disc Brakes |
| 1992 | GMC | G2500 | — | — | — | — | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1992 | GMC | G2500 | — | — | — | — | DIESEL | — | Front | Constant rate coil spring for various vehicles. |
| 1992 | GMC | G3500 | — | — | — | — | GAS | — | Front | Constant rate spring; with Vacuum Disc Brakes |
| 1991 | Chevrolet | G10 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty; with F42 Heavy Duty Suspension |
| 1991 | Chevrolet | G10 | — | — | — | — | — | — | Front | Constant rate spring; with F60 Heavy Duty Suspension |
| 1991 | Chevrolet | G20 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1991 | Chevrolet | G30 | — | — | — | — | GAS | — | Front | Constant rate spring; GM Brake Code JB7 |
| 1991 | Chevrolet | R1500 Suburban | — | — | — | — | — | — | Front | Constant rate spring; Except GM Brake Code JB5 |
| 1991 | Chevrolet | R2500 Suburban | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1991 | Chevrolet | R2500 Suburban | — | — | 6.2L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1991 | Chevrolet | R3500 | — | — | — | — | — | — | Front | Constant rate spring; Single Rear Wheel |
| 1991 | GMC | G1500 | — | — | — | — | — | — | Front | Constant rate spring; with F60 Heavy Duty Suspension |
| 1991 | GMC | G1500 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty; with F42 Heavy Duty Suspension |
| 1991 | GMC | G2500 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1991 | GMC | G3500 | — | — | — | — | GAS | — | Front | Constant rate spring; GM Brake Code JB7 |
| 1991 | GMC | R1500 Suburban | — | — | — | — | — | — | Front | Constant rate spring; Except GM Brake Code JB5 |
| 1991 | GMC | R2500 Suburban | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1991 | GMC | R2500 Suburban | — | — | 6.2L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1991 | GMC | R3500 | — | — | — | — | — | — | Front | Constant rate spring; Single Rear Wheel |
| 1990 | Chevrolet | G10 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty; with F42 Heavy Duty Suspension |
| 1990 | Chevrolet | G10 | — | — | — | — | — | — | Front | Constant rate spring; with F60 Heavy Duty Suspension |
| 1990 | Chevrolet | G20 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1990 | Chevrolet | G30 | — | — | — | — | GAS | — | Front | Constant rate spring; GM Brake Code JB7 |
| 1990 | Chevrolet | R1500 Suburban | — | — | — | — | — | — | Front | Constant rate spring; Except GM Brake Code JB5 |
| 1990 | Chevrolet | R2500 Suburban | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1990 | Chevrolet | R2500 Suburban | — | — | 6.2L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1990 | Chevrolet | R3500 | — | — | — | — | — | — | Front | Constant rate spring; Single Rear Wheel |
| 1990 | GMC | G1500 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty; with F42 Heavy Duty Suspension |
| 1990 | GMC | G1500 | — | — | — | — | — | — | Front | Constant rate spring; with F60 Heavy Duty Suspension |
| 1990 | GMC | G2500 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1990 | GMC | G3500 | — | — | — | — | GAS | — | Front | Constant rate spring; GM Brake Code JB7 |
| 1990 | GMC | R1500 Suburban | — | — | — | — | — | — | Front | Constant rate spring; Except GM Brake Code JB5 |
| 1990 | GMC | R2500 Suburban | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1990 | GMC | R2500 Suburban | — | — | 6.2L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1990 | GMC | R3500 | — | — | — | — | — | — | Front | Constant rate spring; Single Rear Wheel |
| 1989 | Chevrolet | G10 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty; with F42 Heavy Duty Suspension |
| 1989 | Chevrolet | G10 | — | — | — | — | — | — | Front | Constant rate spring; with F60 Heavy Duty Suspension |
| 1989 | Chevrolet | G20 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1989 | Chevrolet | G30 | — | — | — | — | — | — | Front | Constant rate spring; GM Brake Code JB7 |
| 1989 | Chevrolet | P20 | — | — | — | — | — | — | Front | Constant rate spring; Except GM Brake Code JB7; Except GM Brake Code JD7 |
| 1989 | Chevrolet | R1500 Suburban | — | — | — | — | — | — | Front | Constant rate spring; Except GM Brake Code JB5 |
| 1989 | Chevrolet | R2500 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1989 | Chevrolet | R2500 Suburban | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1989 | Chevrolet | R2500 Suburban | — | — | 6.2L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1989 | Chevrolet | R3500 | — | — | — | — | — | — | Front | Constant rate spring; Single Rear Wheel |
| 1989 | GMC | G1500 | — | — | — | — | — | — | Front | Constant rate spring; with F60 Heavy Duty Suspension |
| 1989 | GMC | G1500 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty; with F42 Heavy Duty Suspension |
| 1989 | GMC | G2500 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1989 | GMC | G3500 | — | — | — | — | — | — | Front | Constant rate spring; GM Brake Code JB7 |
| 1989 | GMC | P2500 | — | — | — | — | — | — | Front | Constant rate spring; Except GM Brake Code JB7; Except GM Brake Code JD7 |
| 1989 | GMC | R1500 Suburban | — | — | — | — | — | — | Front | Constant rate spring; Except GM Brake Code JB5 |
| 1989 | GMC | R2500 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1989 | GMC | R2500 Suburban | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1989 | GMC | R2500 Suburban | — | — | 6.2L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1989 | GMC | R3500 | — | — | — | — | — | — | Front | Constant rate spring; Single Rear Wheel |
| 1988 | Chevrolet | G10 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty; with F42 Heavy Duty Suspension |
| 1988 | Chevrolet | G10 | — | — | — | — | — | — | Front | Constant rate spring; with F60 Heavy Duty Suspension |
| 1988 | Chevrolet | G20 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1988 | Chevrolet | G30 | — | — | — | — | — | — | Front | Constant rate spring; GM Brake Code JB7 |
| 1988 | Chevrolet | P20 | — | — | — | — | — | — | Front | Constant rate spring; Except GM Brake Code JB7; Except GM Brake Code JD7 |
| 1988 | Chevrolet | R20 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1988 | Chevrolet | R20 Suburban | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1988 | Chevrolet | R20 Suburban | — | — | 6.2L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1988 | Chevrolet | R30 | — | — | — | — | — | — | Front | Constant rate spring; Single Rear Wheel |
| 1988 | GMC | G1500 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty; with F42 Heavy Duty Suspension |
| 1988 | GMC | G1500 | — | — | — | — | — | — | Front | Constant rate spring; with F60 Heavy Duty Suspension |
| 1988 | GMC | G2500 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1988 | GMC | G3500 | — | — | — | — | — | — | Front | Constant rate spring; GM Brake Code JB7 |
| 1988 | GMC | P2500 | — | — | — | — | — | — | Front | Constant rate spring; Except GM Brake Code JB7; Except GM Brake Code JD7 |
| 1988 | GMC | R1500 Suburban | — | — | — | — | — | — | Front | Constant rate spring; Except GM Brake Code JB5 |
| 1988 | GMC | R2500 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1988 | GMC | R2500 Suburban | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1988 | GMC | R2500 Suburban | — | — | 6.2L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1988 | GMC | R3500 | — | — | — | — | — | — | Front | Constant rate spring; Single Rear Wheel |
| 1987 | Chevrolet | G10 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty; with F42 Heavy Duty Suspension |
| 1987 | Chevrolet | G10 | — | — | — | — | — | — | Front | Constant rate spring; with F60 Heavy Duty Suspension |
| 1987 | Chevrolet | G20 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1987 | Chevrolet | G30 | — | — | — | — | — | — | Front | Constant rate spring; GM Brake Code JB7 |
| 1987 | Chevrolet | P20 | — | — | — | — | — | — | Front | Constant rate spring; Except GM Brake Code JB7; Except GM Brake Code JD7 |
| 1987 | Chevrolet | R10 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty; Except GM Brake Code JD3; Except GM Brake Code JD5 |
| 1987 | Chevrolet | R10 | — | — | — | — | — | — | Front | Constant rate spring; GM Brake Code JD3; GM Brake Code JD5 |
| 1987 | Chevrolet | R10 Suburban | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty; Except GM Brake Code JD3; Except GM Brake Code JD5 |
| 1987 | Chevrolet | R10 Suburban | — | — | — | — | — | — | Front | Constant rate spring; GM Brake Code JD3; GM Brake Code JD5 |
| 1987 | Chevrolet | R20 | — | — | — | — | — | — | Front | Constant rate spring; Except GM Brake Code JB6 |
| 1987 | Chevrolet | R20 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB6 |
| 1987 | Chevrolet | R20 Suburban | — | — | — | — | — | — | Front | Constant rate spring; Except GM Brake Code JB6 |
| 1987 | Chevrolet | R20 Suburban | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB6 |
| 1987 | Chevrolet | R30 | — | — | — | — | — | — | Front | Constant rate spring; W/ F41 Firm Ride Suspension |
| 1987 | GMC | G1500 | — | — | — | — | — | — | Front | Constant rate spring; with F60 Heavy Duty Suspension |
| 1987 | GMC | G1500 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty; with F42 Heavy Duty Suspension |
| 1987 | GMC | G2500 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1987 | GMC | G3500 | — | — | — | — | — | — | Front | Constant rate spring; GM Brake Code JB7 |
| 1987 | GMC | P2500 | — | — | — | — | — | — | Front | Constant rate spring; Except GM Brake Code JB7; Except GM Brake Code JD7 |
| 1987 | GMC | R1500 | — | — | — | — | — | — | Front | Constant rate spring; GM Brake Code JD3; GM Brake Code JD5 |
| 1987 | GMC | R1500 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty; Except GM Brake Code JD3; Except GM Brake Code JD5 |
| 1987 | GMC | R1500 Suburban | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty; Except GM Brake Code JD3; Except GM Brake Code JD5 |
| 1987 | GMC | R1500 Suburban | — | — | — | — | — | — | Front | Constant rate spring; GM Brake Code JD3; GM Brake Code JD5 |
| 1987 | GMC | R2500 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB6 |
| 1987 | GMC | R2500 | — | — | — | — | — | — | Front | Constant rate spring; Except GM Brake Code JB6 |
| 1987 | GMC | R2500 Suburban | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB6 |
| 1987 | GMC | R2500 Suburban | — | — | — | — | — | — | Front | Constant rate spring; Except GM Brake Code JB6 |
| 1987 | GMC | R3500 | — | — | — | — | — | — | Front | Constant rate spring; W/ F41 Firm Ride Suspension |
| 1986 | Chevrolet | C10 | — | — | — | — | — | — | Front | Constant rate spring; GM Brake Code JD3; GM Brake Code JD5 |
| 1986 | Chevrolet | C10 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty; Except GM Brake Code JD3; Except GM Brake Code JD5 |
| 1986 | Chevrolet | C10 Suburban | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty; Except GM Brake Code JD3; Except GM Brake Code JD5 |
| 1986 | Chevrolet | C10 Suburban | — | — | — | — | — | — | Front | Constant rate spring; GM Brake Code JD3; GM Brake Code JD5 |
| 1986 | Chevrolet | C20 | — | — | 7.4L | V8 | — | — | Front | Constant rate spring; GM Brake Code JB7 |
| 1986 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 6.2L | V8 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB6; GM Brake Code JB7 |
| 1986 | Chevrolet | C20 | Cab & Chassis | 2 Door | 6.2L | V8 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB6; GM Brake Code JB7 |
| 1986 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB6; GM Brake Code JB7 |
| 1986 | Chevrolet | C20 | Cab & Chassis | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB6; GM Brake Code JB7 |
| 1986 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 5.0L | V8 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB6; GM Brake Code JB7 |
| 1986 | Chevrolet | C20 | Cab & Chassis | 2 Door | 5.0L | V8 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB6; GM Brake Code JB7 |
| 1986 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB6; GM Brake Code JB7 |
| 1986 | Chevrolet | C20 | Cab & Chassis | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB6; GM Brake Code JB7 |
| 1986 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 4.3L | V6 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB6; GM Brake Code JB7 |
| 1986 | Chevrolet | C20 | Cab & Chassis | 2 Door | 4.3L | V6 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB6; GM Brake Code JB7 |
| 1986 | Chevrolet | C20 | Crew Cab Pickup | 4 Door | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1986 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | — | — | — | — | Front | Constant rate spring; GM Brake Code JD6; GM Brake Code JD7 |
| 1986 | Chevrolet | C20 | Cab & Chassis | 2 Door | — | — | — | — | Front | Constant rate spring; GM Brake Code JD6; GM Brake Code JD7 |
| 1986 | Chevrolet | C30 | — | — | — | — | — | — | Front | Constant rate spring; W/ F41 Firm Ride Suspension |
| 1986 | Chevrolet | G10 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty; with F42 Heavy Duty Suspension |
| 1986 | Chevrolet | G10 | — | — | — | — | — | — | Front | Constant rate spring; with F60 Heavy Duty Suspension |
| 1986 | Chevrolet | G20 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1986 | Chevrolet | G30 | — | — | — | — | GAS | — | Front | Constant rate spring; Except Heavy Duty; Except 4.10 Gear Ratio; Except 4.56 Gear Ratio; Except GM Brake Code JD7 |
| 1986 | Chevrolet | G30 | — | — | — | — | DIESEL | — | Front | Constant rate spring; Except GM Brake Code JB8 |
| 1986 | Chevrolet | P20 | — | — | — | — | — | — | Front | Constant rate spring; Except GM Brake Code JB7; Except GM Brake Code JD7 |
| 1986 | GMC | C1500 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty; Except GM Brake Code JD3; Except GM Brake Code JD5 |
| 1986 | GMC | C1500 | — | — | — | — | — | — | Front | Constant rate spring; GM Brake Code JD3; GM Brake Code JD5 |
| 1986 | GMC | C1500 Suburban | — | — | — | — | — | — | Front | Constant rate spring; GM Brake Code JD3; GM Brake Code JD5 |
| 1986 | GMC | C1500 Suburban | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty; Except GM Brake Code JD3; Except GM Brake Code JD5 |
| 1986 | GMC | C2500 | — | — | 7.4L | V8 | — | — | Front | Constant rate spring; GM Brake Code JB7 |
| 1986 | GMC | C2500 | Standard Cab Pickup | 2 Door | 6.2L | V8 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB6; GM Brake Code JB7 |
| 1986 | GMC | C2500 | Cab & Chassis | 2 Door | 6.2L | V8 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB6; GM Brake Code JB7 |
| 1986 | GMC | C2500 | Standard Cab Pickup | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB6; GM Brake Code JB7 |
| 1986 | GMC | C2500 | Cab & Chassis | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB6; GM Brake Code JB7 |
| 1986 | GMC | C2500 | Standard Cab Pickup | 2 Door | 5.0L | V8 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB6; GM Brake Code JB7 |
| 1986 | GMC | C2500 | Cab & Chassis | 2 Door | 5.0L | V8 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB6; GM Brake Code JB7 |
| 1986 | GMC | C2500 | Standard Cab Pickup | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB6; GM Brake Code JB7 |
| 1986 | GMC | C2500 | Cab & Chassis | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB6; GM Brake Code JB7 |
| 1986 | GMC | C2500 | Standard Cab Pickup | 2 Door | 4.3L | V6 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB6; GM Brake Code JB7 |
| 1986 | GMC | C2500 | Cab & Chassis | 2 Door | 4.3L | V6 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB6; GM Brake Code JB7 |
| 1986 | GMC | C2500 | Crew Cab Pickup | 4 Door | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1986 | GMC | C2500 | Standard Cab Pickup | 2 Door | — | — | — | — | Front | Constant rate spring; GM Brake Code JD6; GM Brake Code JD7 |
| 1986 | GMC | C2500 | Cab & Chassis | 2 Door | — | — | — | — | Front | Constant rate spring; GM Brake Code JD6; GM Brake Code JD7 |
| 1986 | GMC | C3500 | — | — | — | — | — | — | Front | Constant rate spring; W/ F41 Firm Ride Suspension |
| 1986 | GMC | G1500 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty; with F42 Heavy Duty Suspension |
| 1986 | GMC | G1500 | — | — | — | — | — | — | Front | Constant rate spring; with F60 Heavy Duty Suspension |
| 1986 | GMC | G2500 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1986 | GMC | G3500 | — | — | — | — | GAS | — | Front | Constant rate spring; Except Heavy Duty; Except 4.10 Gear Ratio; Except 4.56 Gear Ratio; Except GM Brake Code JD7 |
| 1986 | GMC | G3500 | — | — | — | — | DIESEL | — | Front | Constant rate spring; Except GM Brake Code JB8 |
| 1986 | GMC | P2500 | — | — | — | — | — | — | Front | Constant rate spring; Except GM Brake Code JB7; Except GM Brake Code JD7 |
| 1985 | Chevrolet | C10 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty; Except GM Brake Code JD3; Except GM Brake Code JD5 |
| 1985 | Chevrolet | C10 | — | — | — | — | — | — | Front | Constant rate spring; GM Brake Code JD3; GM Brake Code JD5 |
| 1985 | Chevrolet | C10 Suburban | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty; Except GM Brake Code JD3; Except GM Brake Code JD5 |
| 1985 | Chevrolet | C10 Suburban | — | — | — | — | — | — | Front | Constant rate spring; GM Brake Code JD3; GM Brake Code JD5 |
| 1985 | Chevrolet | C20 | — | — | 7.4L | V8 | — | — | Front | Constant rate spring; GM Brake Code JB7 |
| 1985 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 6.2L | V8 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB6; GM Brake Code JB7 |
| 1985 | Chevrolet | C20 | Cab & Chassis | 2 Door | 6.2L | V8 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB6; GM Brake Code JB7 |
| 1985 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB6; GM Brake Code JB7 |
| 1985 | Chevrolet | C20 | Cab & Chassis | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB6; GM Brake Code JB7 |
| 1985 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 5.0L | V8 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB6; GM Brake Code JB7 |
| 1985 | Chevrolet | C20 | Cab & Chassis | 2 Door | 5.0L | V8 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB6; GM Brake Code JB7 |
| 1985 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB6; GM Brake Code JB7 |
| 1985 | Chevrolet | C20 | Cab & Chassis | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB6; GM Brake Code JB7 |
| 1985 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 4.3L | V6 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB6; GM Brake Code JB7 |
| 1985 | Chevrolet | C20 | Cab & Chassis | 2 Door | 4.3L | V6 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB6; GM Brake Code JB7 |
| 1985 | Chevrolet | C20 | Crew Cab Pickup | 4 Door | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1985 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | — | — | — | — | Front | Constant rate spring; GM Brake Code JD6; GM Brake Code JD7 |
| 1985 | Chevrolet | C20 | Cab & Chassis | 2 Door | — | — | — | — | Front | Constant rate spring; GM Brake Code JD6; GM Brake Code JD7 |
| 1985 | Chevrolet | C30 | — | — | — | — | — | — | Front | Constant rate spring; W/ F41 Firm Ride Suspension |
| 1985 | Chevrolet | G10 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty; with F42 Heavy Duty Suspension |
| 1985 | Chevrolet | G10 | — | — | — | — | — | — | Front | Constant rate spring; with F60 Heavy Duty Suspension |
| 1985 | Chevrolet | G20 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1985 | Chevrolet | G30 | — | — | — | — | GAS | — | Front | Constant rate spring; Except Heavy Duty; Except 4.10 Gear Ratio; Except 4.56 Gear Ratio; Except GM Brake Code JD7 |
| 1985 | Chevrolet | G30 | — | — | — | — | DIESEL | — | Front | Constant rate spring; Except GM Brake Code JB8 |
| 1985 | Chevrolet | P20 | — | — | — | — | — | — | Front | Constant rate spring; Except GM Brake Code JB7; Except GM Brake Code JD7 |
| 1985 | GMC | C1500 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty; Except GM Brake Code JD3; Except GM Brake Code JD5 |
| 1985 | GMC | C1500 | — | — | — | — | — | — | Front | Constant rate spring; GM Brake Code JD3; GM Brake Code JD5 |
| 1985 | GMC | C1500 Suburban | — | — | — | — | — | — | Front | Constant rate spring; GM Brake Code JD3; GM Brake Code JD5 |
| 1985 | GMC | C1500 Suburban | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty; Except GM Brake Code JD3; Except GM Brake Code JD5 |
| 1985 | GMC | C2500 | — | — | 7.4L | V8 | — | — | Front | Constant rate spring; GM Brake Code JB7 |
| 1985 | GMC | C2500 | Standard Cab Pickup | 2 Door | 6.2L | V8 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB6; GM Brake Code JB7 |
| 1985 | GMC | C2500 | Cab & Chassis | 2 Door | 6.2L | V8 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB6; GM Brake Code JB7 |
| 1985 | GMC | C2500 | Standard Cab Pickup | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB6; GM Brake Code JB7 |
| 1985 | GMC | C2500 | Cab & Chassis | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB6; GM Brake Code JB7 |
| 1985 | GMC | C2500 | Standard Cab Pickup | 2 Door | 5.0L | V8 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB6; GM Brake Code JB7 |
| 1985 | GMC | C2500 | Cab & Chassis | 2 Door | 5.0L | V8 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB6; GM Brake Code JB7 |
| 1985 | GMC | C2500 | Standard Cab Pickup | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB6; GM Brake Code JB7 |
| 1985 | GMC | C2500 | Cab & Chassis | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB6; GM Brake Code JB7 |
| 1985 | GMC | C2500 | Standard Cab Pickup | 2 Door | 4.3L | V6 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB6; GM Brake Code JB7 |
| 1985 | GMC | C2500 | Cab & Chassis | 2 Door | 4.3L | V6 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB6; GM Brake Code JB7 |
| 1985 | GMC | C2500 | Crew Cab Pickup | 4 Door | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1985 | GMC | C2500 | Standard Cab Pickup | 2 Door | — | — | — | — | Front | Constant rate spring; GM Brake Code JD6; GM Brake Code JD7 |
| 1985 | GMC | C2500 | Cab & Chassis | 2 Door | — | — | — | — | Front | Constant rate spring; GM Brake Code JD6; GM Brake Code JD7 |
| 1985 | GMC | C3500 | — | — | — | — | — | — | Front | Constant rate spring; W/ F41 Firm Ride Suspension |
| 1985 | GMC | G1500 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty; with F42 Heavy Duty Suspension |
| 1985 | GMC | G1500 | — | — | — | — | — | — | Front | Constant rate spring; with F60 Heavy Duty Suspension |
| 1985 | GMC | G2500 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1985 | GMC | G3500 | — | — | — | — | GAS | — | Front | Constant rate spring; Except Heavy Duty; Except 4.10 Gear Ratio; Except 4.56 Gear Ratio; Except GM Brake Code JD7 |
| 1985 | GMC | G3500 | — | — | — | — | DIESEL | — | Front | Constant rate spring; Except GM Brake Code JB8 |
| 1985 | GMC | P2500 | — | — | — | — | — | — | Front | Constant rate spring; Except GM Brake Code JB7; Except GM Brake Code JD7 |
| 1984 | Chevrolet | C10 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty; Except GM Brake Code JD3; Except GM Brake Code JD5 |
| 1984 | Chevrolet | C10 | — | — | — | — | — | — | Front | Constant rate spring; GM Brake Code JD3; GM Brake Code JD5 |
| 1984 | Chevrolet | C10 Suburban | — | — | — | — | — | — | Front | Constant rate spring; GM Brake Code JD3; GM Brake Code JD5 |
| 1984 | Chevrolet | C10 Suburban | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty; Except GM Brake Code JD3; Except GM Brake Code JD5 |
| 1984 | Chevrolet | C20 | — | — | — | — | GAS | — | Front | Constant rate spring; Heavy Duty; Except GM Brake Code JD7 |
| 1984 | Chevrolet | C20 | — | — | — | — | — | — | Front | Constant rate spring; GM Brake Code JB7; GM Brake Code JD7 |
| 1984 | Chevrolet | C30 | — | — | — | — | — | — | Front | Constant rate spring; W/ F41 Firm Ride Suspension |
| 1984 | Chevrolet | G10 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty |
| 1984 | Chevrolet | G20 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1984 | Chevrolet | G30 | — | — | — | — | GAS | — | Front | Constant rate spring; Except 4.10 Gear Ratio; Except 4.56 Gear Ratio |
| 1984 | Chevrolet | P20 | — | — | — | — | — | — | Front | Constant rate spring; Except GM Brake Code JB7; Except GM Brake Code JD7 |
| 1984 | GMC | C1500 | — | — | — | — | — | — | Front | Constant rate spring; GM Brake Code JD3; GM Brake Code JD5 |
| 1984 | GMC | C1500 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty; Except GM Brake Code JD3; Except GM Brake Code JD5 |
| 1984 | GMC | C1500 Suburban | — | — | — | — | — | — | Front | Constant rate spring; GM Brake Code JD3; GM Brake Code JD5 |
| 1984 | GMC | C1500 Suburban | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty; Except GM Brake Code JD3; Except GM Brake Code JD5 |
| 1984 | GMC | C2500 | Standard Cab Pickup | 2 Door | 6.2L | V8 | DIESEL | — | Front | Constant rate coil spring for various vehicles. |
| 1984 | GMC | C2500 | Cab & Chassis | 2 Door | 6.2L | V8 | DIESEL | — | Front | Constant rate coil spring for various vehicles. |
| 1984 | GMC | C2500 | Crew Cab Pickup | 4 Door | — | — | — | — | Front | Constant rate spring; GM Brake Code JB7; GM Brake Code JD7 |
| 1984 | GMC | C2500 | Standard Cab Pickup | 2 Door | — | — | GAS | — | Front | Constant rate spring; Heavy Duty; Except GM Brake Code JB7; Except GM Brake Code JD7 |
| 1984 | GMC | C2500 | Cab & Chassis | 2 Door | — | — | GAS | — | Front | Constant rate spring; Heavy Duty; Except GM Brake Code JB7; Except GM Brake Code JD7 |
| 1984 | GMC | C3500 | — | — | — | — | — | — | Front | Constant rate spring; W/ F41 Firm Ride Suspension |
| 1984 | GMC | G1500 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty |
| 1984 | GMC | G2500 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1984 | GMC | G3500 | — | — | — | — | GAS | — | Front | Constant rate spring; Except 4.10 Gear Ratio; Except 4.56 Gear Ratio |
| 1984 | GMC | P2500 | — | — | — | — | — | — | Front | Constant rate spring; Except GM Brake Code JB7; Except GM Brake Code JD7 |
| 1983 | Chevrolet | C10 | — | — | 6.2L | V8 | DIESEL | — | Front | Constant rate coil spring for various vehicles. |
| 1983 | Chevrolet | C10 | — | — | 5.7L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB1; GM Brake Code JB3 |
| 1983 | Chevrolet | C10 | — | — | 5.0L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB1; GM Brake Code JB3 |
| 1983 | Chevrolet | C10 | — | — | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB1; GM Brake Code JB3 |
| 1983 | Chevrolet | C10 Suburban | — | — | 6.2L | V8 | DIESEL | — | Front | Constant rate coil spring for various vehicles. |
| 1983 | Chevrolet | C10 Suburban | — | — | 5.7L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB1; GM Brake Code JB3 |
| 1983 | Chevrolet | C10 Suburban | — | — | 5.0L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB1; GM Brake Code JB3 |
| 1983 | Chevrolet | C20 | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1983 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 6.2L | V8 | DIESEL | — | Front | Constant rate coil spring for various vehicles. |
| 1983 | Chevrolet | C20 | Cab & Chassis | 2 Door | 6.2L | V8 | DIESEL | — | Front | Constant rate coil spring for various vehicles. |
| 1983 | Chevrolet | C20 | Crew Cab Pickup | 4 Door | 5.7L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1983 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 5.7L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1983 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 5.0L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1983 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 4.8L | L6 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1983 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 4.1L | L6 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1983 | Chevrolet | C20 Suburban | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1983 | Chevrolet | C20 Suburban | — | — | 6.2L | V8 | DIESEL | — | Front | Constant rate coil spring for various vehicles. |
| 1983 | Chevrolet | C20 Suburban | — | — | 5.7L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1983 | Chevrolet | C30 | — | — | — | — | — | — | Front | Constant rate spring; W/ F41 Firm Ride Suspension |
| 1983 | Chevrolet | G10 | — | — | — | — | — | — | Front | Constant rate spring; GM Brake Code JB5 |
| 1983 | Chevrolet | G10 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty; Except GM Brake Code JB5 |
| 1983 | Chevrolet | G20 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1983 | Chevrolet | G30 | — | — | — | — | GAS | — | Front | Constant rate coil spring for various vehicles. |
| 1983 | GMC | C1500 | — | — | 5.7L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB1; GM Brake Code JB3 |
| 1983 | GMC | C1500 | — | — | 5.0L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB1; GM Brake Code JB3 |
| 1983 | GMC | C1500 | — | — | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB1; GM Brake Code JB3 |
| 1983 | GMC | C1500 | — | — | — | — | DIESEL | — | Front | Constant rate coil spring for various vehicles. |
| 1983 | GMC | C1500 Suburban | — | — | 5.7L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB1; GM Brake Code JB3 |
| 1983 | GMC | C1500 Suburban | — | — | 5.0L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB1; GM Brake Code JB3 |
| 1983 | GMC | C1500 Suburban | — | — | — | — | DIESEL | — | Front | Constant rate coil spring for various vehicles. |
| 1983 | GMC | C2500 | Crew Cab Pickup | 4 Door | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1983 | GMC | C2500 | Standard Cab Pickup | 2 Door | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1983 | GMC | C2500 | Standard Cab Pickup | 2 Door | 6.2L | V8 | DIESEL | — | Front | Constant rate coil spring for various vehicles. |
| 1983 | GMC | C2500 | Cab & Chassis | 2 Door | 6.2L | V8 | DIESEL | — | Front | Constant rate coil spring for various vehicles. |
| 1983 | GMC | C2500 | Crew Cab Pickup | 4 Door | 5.7L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1983 | GMC | C2500 | Standard Cab Pickup | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1983 | GMC | C2500 | Standard Cab Pickup | 2 Door | 5.0L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1983 | GMC | C2500 | Standard Cab Pickup | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1983 | GMC | C2500 | Standard Cab Pickup | 2 Door | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1983 | GMC | C2500 Suburban | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1983 | GMC | C2500 Suburban | — | — | 6.2L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1983 | GMC | C2500 Suburban | — | — | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1983 | GMC | C2500 Suburban | — | — | 5.0L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1983 | GMC | C3500 | — | — | — | — | — | — | Front | Constant rate spring; W/ F41 Firm Ride Suspension |
| 1983 | GMC | G1500 | — | — | — | — | — | — | Front | Constant rate spring; GM Brake Code JB5 |
| 1983 | GMC | G1500 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty; Except GM Brake Code JB5 |
| 1983 | GMC | G2500 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1983 | GMC | G3500 | — | — | — | — | GAS | — | Front | Constant rate coil spring for various vehicles. |
| 1982 | Chevrolet | C10 | — | — | 6.2L | V8 | DIESEL | — | Front | Constant rate coil spring for various vehicles. |
| 1982 | Chevrolet | C10 | — | — | 5.7L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB1; GM Brake Code JB3 |
| 1982 | Chevrolet | C10 | — | — | 5.0L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB1; GM Brake Code JB3 |
| 1982 | Chevrolet | C10 | — | — | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB1; GM Brake Code JB3 |
| 1982 | Chevrolet | C10 Suburban | — | — | 6.2L | V8 | DIESEL | — | Front | Constant rate coil spring for various vehicles. |
| 1982 | Chevrolet | C10 Suburban | — | — | 5.7L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB1; GM Brake Code JB3 |
| 1982 | Chevrolet | C10 Suburban | — | — | 5.0L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB1; GM Brake Code JB3 |
| 1982 | Chevrolet | C20 | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1982 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 6.2L | V8 | DIESEL | — | Front | Constant rate coil spring for various vehicles. |
| 1982 | Chevrolet | C20 | Cab & Chassis | 2 Door | 6.2L | V8 | DIESEL | — | Front | Constant rate coil spring for various vehicles. |
| 1982 | Chevrolet | C20 | Crew Cab Pickup | 4 Door | 5.7L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1982 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 5.7L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1982 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 5.0L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1982 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 4.8L | L6 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1982 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 4.1L | L6 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1982 | Chevrolet | C20 Suburban | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1982 | Chevrolet | C20 Suburban | — | — | 6.2L | V8 | DIESEL | — | Front | Constant rate coil spring for various vehicles. |
| 1982 | Chevrolet | C20 Suburban | — | — | 5.7L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1982 | Chevrolet | C30 | — | — | — | — | — | — | Front | Constant rate spring; W/ F41 Firm Ride Suspension |
| 1982 | Chevrolet | G10 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty; Except GM Brake Code JB5 |
| 1982 | Chevrolet | G10 | — | — | — | — | — | — | Front | Constant rate spring; GM Brake Code JB5 |
| 1982 | Chevrolet | G20 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1982 | Chevrolet | G30 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1982 | Chevrolet | P20 | — | — | — | — | — | — | Front | Constant rate spring; GM Brake Code JB6 |
| 1982 | GMC | C1500 | — | — | 5.7L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB1; GM Brake Code JB3 |
| 1982 | GMC | C1500 | — | — | 5.0L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB1; GM Brake Code JB3 |
| 1982 | GMC | C1500 | — | — | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB1; GM Brake Code JB3 |
| 1982 | GMC | C1500 | — | — | — | — | DIESEL | — | Front | Constant rate coil spring for various vehicles. |
| 1982 | GMC | C1500 Suburban | — | — | 5.7L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB1; GM Brake Code JB3 |
| 1982 | GMC | C1500 Suburban | — | — | 5.0L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB1; GM Brake Code JB3 |
| 1982 | GMC | C1500 Suburban | — | — | — | — | DIESEL | — | Front | Constant rate coil spring for various vehicles. |
| 1982 | GMC | C2500 | Crew Cab Pickup | 4 Door | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1982 | GMC | C2500 | Standard Cab Pickup | 2 Door | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1982 | GMC | C2500 | Standard Cab Pickup | 2 Door | 6.2L | V8 | DIESEL | — | Front | Constant rate coil spring for various vehicles. |
| 1982 | GMC | C2500 | Cab & Chassis | 2 Door | 6.2L | V8 | DIESEL | — | Front | Constant rate coil spring for various vehicles. |
| 1982 | GMC | C2500 | Crew Cab Pickup | 4 Door | 5.7L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1982 | GMC | C2500 | Standard Cab Pickup | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1982 | GMC | C2500 | Standard Cab Pickup | 2 Door | 5.0L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1982 | GMC | C2500 | Standard Cab Pickup | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1982 | GMC | C2500 | Standard Cab Pickup | 2 Door | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1982 | GMC | C2500 Suburban | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1982 | GMC | C2500 Suburban | — | — | 6.2L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1982 | GMC | C2500 Suburban | — | — | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1982 | GMC | C2500 Suburban | — | — | 5.0L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1982 | GMC | C2500 Suburban | — | — | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1982 | GMC | C3500 | — | — | — | — | — | — | Front | Constant rate spring; W/ F41 Firm Ride Suspension |
| 1982 | GMC | G1500 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty; Except GM Brake Code JB5 |
| 1982 | GMC | G1500 | — | — | — | — | — | — | Front | Constant rate spring; GM Brake Code JB5 |
| 1982 | GMC | G2500 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1982 | GMC | G3500 | — | — | — | — | GAS | — | Front | Constant rate coil spring for various vehicles. |
| 1982 | GMC | P2500 | — | — | — | — | — | — | Front | Constant rate spring; GM Brake Code JB6 |
| 1981 | Chevrolet | C10 | — | — | 5.7L | V8 | DIESEL | — | Front | Constant rate coil spring for various vehicles. |
| 1981 | Chevrolet | C10 | — | — | 5.0L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1981 | Chevrolet | C10 | — | — | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1981 | Chevrolet | C10 Suburban | — | — | 5.7L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1981 | Chevrolet | C10 Suburban | — | — | 5.0L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1981 | Chevrolet | C20 | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1981 | Chevrolet | C20 | Crew Cab Pickup | 4 Door | 5.7L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1981 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1981 | Chevrolet | C20 | Cab & Chassis | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1981 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 5.0L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1981 | Chevrolet | C20 | Cab & Chassis | 2 Door | 5.0L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1981 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1981 | Chevrolet | C20 | Cab & Chassis | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1981 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1981 | Chevrolet | C20 | Cab & Chassis | 2 Door | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1981 | Chevrolet | C20 Suburban | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1981 | Chevrolet | C20 Suburban | — | — | 5.7L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1981 | Chevrolet | C30 | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1981 | Chevrolet | C30 | Standard Cab Pickup | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB7 |
| 1981 | Chevrolet | C30 | Cab & Chassis | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB7 |
| 1981 | Chevrolet | C30 | Standard Cab Pickup | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB7 |
| 1981 | Chevrolet | C30 | Cab & Chassis | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB7 |
| 1981 | Chevrolet | C30 | Cab & Chassis | 2 Door | 4.8L | L6 | — | 159.5" | Front | Constant rate coil spring for various vehicles. |
| 1981 | Chevrolet | C30 | Cab & Chassis | 2 Door | 4.8L | L6 | — | 135.5" | Front | Constant rate coil spring for various vehicles. |
| 1981 | Chevrolet | G10 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty; Except GM Brake Code JB5 |
| 1981 | Chevrolet | G10 | — | — | — | — | — | — | Front | Constant rate spring; GM Brake Code JB5 |
| 1981 | Chevrolet | G20 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1981 | Chevrolet | G30 | Standard Passenger Van | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1981 | Chevrolet | G30 | Standard Cargo Van | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1981 | Chevrolet | P20 | — | — | — | — | — | — | Front | Constant rate spring; GM Brake Code JB6 |
| 1981 | GMC | C1500 | — | — | 5.7L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1981 | GMC | C1500 | — | — | 5.0L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1981 | GMC | C1500 | — | — | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1981 | GMC | C1500 | — | — | — | — | DIESEL | — | Front | Constant rate coil spring for various vehicles. |
| 1981 | GMC | C1500 Suburban | — | — | 5.7L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1981 | GMC | C1500 Suburban | — | — | 5.0L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1981 | GMC | C1500 Suburban | — | — | — | — | DIESEL | — | Front | Constant rate coil spring for various vehicles. |
| 1981 | GMC | C2500 | Crew Cab Pickup | 4 Door | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1981 | GMC | C2500 | Standard Cab Pickup | 2 Door | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1981 | GMC | C2500 | Cab & Chassis | 2 Door | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1981 | GMC | C2500 | Crew Cab Pickup | 4 Door | 5.7L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1981 | GMC | C2500 | Standard Cab Pickup | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1981 | GMC | C2500 | Cab & Chassis | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1981 | GMC | C2500 | Standard Cab Pickup | 2 Door | 5.0L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1981 | GMC | C2500 | Cab & Chassis | 2 Door | 5.0L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1981 | GMC | C2500 | Standard Cab Pickup | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1981 | GMC | C2500 | Cab & Chassis | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1981 | GMC | C2500 | Standard Cab Pickup | 2 Door | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1981 | GMC | C2500 | Cab & Chassis | 2 Door | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1981 | GMC | C2500 Suburban | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1981 | GMC | C2500 Suburban | — | — | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1981 | GMC | C2500 Suburban | — | — | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1981 | GMC | C3500 | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1981 | GMC | C3500 | Standard Cab Pickup | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB7 |
| 1981 | GMC | C3500 | Cab & Chassis | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB7 |
| 1981 | GMC | C3500 | Standard Cab Pickup | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB7 |
| 1981 | GMC | C3500 | Cab & Chassis | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB7 |
| 1981 | GMC | C3500 | Cab & Chassis | 2 Door | 4.8L | L6 | — | 159.5" | Front | Constant rate coil spring for various vehicles. |
| 1981 | GMC | C3500 | Cab & Chassis | 2 Door | 4.8L | L6 | — | 135.5" | Front | Constant rate coil spring for various vehicles. |
| 1981 | GMC | G1500 | — | — | — | — | — | — | Front | Constant rate spring; GM Brake Code JB5 |
| 1981 | GMC | G1500 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty; Except GM Brake Code JB5 |
| 1981 | GMC | G2500 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1981 | GMC | G3500 | Standard Passenger Van | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1981 | GMC | G3500 | Standard Cargo Van | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1981 | GMC | P2500 | — | — | — | — | — | — | Front | Constant rate spring; GM Brake Code JB6 |
| 1980 | Chevrolet | C10 | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1980 | Chevrolet | C10 | — | — | 5.7L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1980 | Chevrolet | C10 | — | — | 5.7L | V8 | DIESEL | — | Front | Constant rate coil spring for various vehicles. |
| 1980 | Chevrolet | C10 | — | — | 5.0L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1980 | Chevrolet | C10 | — | — | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1980 | Chevrolet | C10 Suburban | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1980 | Chevrolet | C10 Suburban | — | — | 5.7L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1980 | Chevrolet | C10 Suburban | — | — | 5.7L | V8 | DIESEL | — | Front | Constant rate coil spring for various vehicles. |
| 1980 | Chevrolet | C10 Suburban | — | — | 4.1L | L6 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1980 | Chevrolet | C20 | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1980 | Chevrolet | C20 | Crew Cab Pickup | 4 Door | 5.7L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1980 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1980 | Chevrolet | C20 | Cab & Chassis | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1980 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1980 | Chevrolet | C20 | Cab & Chassis | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1980 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1980 | Chevrolet | C20 | Cab & Chassis | 2 Door | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1980 | Chevrolet | C20 Suburban | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1980 | Chevrolet | C20 Suburban | — | — | 5.7L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1980 | Chevrolet | C30 | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1980 | Chevrolet | C30 | — | — | 5.7L | V8 | — | — | Front | Constant rate spring; GM Brake Code JB8 |
| 1980 | Chevrolet | C30 | Standard Cab Pickup | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB7 |
| 1980 | Chevrolet | C30 | Cab & Chassis | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB7 |
| 1980 | Chevrolet | C30 | Standard Cab Pickup | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB7 |
| 1980 | Chevrolet | C30 | Cab & Chassis | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB7 |
| 1980 | Chevrolet | C30 | Cab & Chassis | 2 Door | 4.8L | L6 | — | 159.5" | Front | Constant rate coil spring for various vehicles. |
| 1980 | Chevrolet | C30 | Cab & Chassis | 2 Door | 4.8L | L6 | — | 135.5" | Front | Constant rate coil spring for various vehicles. |
| 1980 | Chevrolet | G10 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty; Except GM Brake Code JB5 |
| 1980 | Chevrolet | G10 | — | — | — | — | — | — | Front | Constant rate spring; GM Brake Code JB5 |
| 1980 | Chevrolet | G20 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1980 | Chevrolet | G30 | Standard Passenger Van | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1980 | Chevrolet | G30 | Standard Cargo Van | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1980 | Chevrolet | P10 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty |
| 1980 | Chevrolet | P20 | — | — | — | — | — | — | Front | Constant rate spring; GM Brake Code JB6 |
| 1980 | GMC | C1500 | — | — | 5.7L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1980 | GMC | C1500 | — | — | 5.0L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1980 | GMC | C1500 | — | — | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1980 | GMC | C1500 | — | — | — | — | DIESEL | — | Front | Constant rate coil spring for various vehicles. |
| 1980 | GMC | C1500 Suburban | — | — | 5.7L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1980 | GMC | C1500 Suburban | — | — | 4.1L | L6 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1980 | GMC | C1500 Suburban | — | — | — | — | DIESEL | — | Front | Constant rate coil spring for various vehicles. |
| 1980 | GMC | C2500 | Crew Cab Pickup | 4 Door | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1980 | GMC | C2500 | Standard Cab Pickup | 2 Door | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1980 | GMC | C2500 | Cab & Chassis | 2 Door | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1980 | GMC | C2500 | Crew Cab Pickup | 4 Door | 5.7L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1980 | GMC | C2500 | Standard Cab Pickup | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1980 | GMC | C2500 | Cab & Chassis | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1980 | GMC | C2500 | Standard Cab Pickup | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1980 | GMC | C2500 | Cab & Chassis | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1980 | GMC | C2500 | Standard Cab Pickup | 2 Door | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1980 | GMC | C2500 | Cab & Chassis | 2 Door | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1980 | GMC | C2500 Suburban | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1980 | GMC | C2500 Suburban | — | — | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1980 | GMC | C2500 Suburban | — | — | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1980 | GMC | C3500 | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1980 | GMC | C3500 | — | — | 5.7L | V8 | — | — | Front | Constant rate spring; GM Brake Code JB8 |
| 1980 | GMC | C3500 | Standard Cab Pickup | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB7 |
| 1980 | GMC | C3500 | Cab & Chassis | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB7 |
| 1980 | GMC | C3500 | Standard Cab Pickup | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB7 |
| 1980 | GMC | C3500 | Cab & Chassis | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB7 |
| 1980 | GMC | C3500 | Cab & Chassis | 2 Door | 4.8L | L6 | — | 159.5" | Front | Constant rate coil spring for various vehicles. |
| 1980 | GMC | C3500 | Cab & Chassis | 2 Door | 4.8L | L6 | — | 135.5" | Front | Constant rate coil spring for various vehicles. |
| 1980 | GMC | G1500 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty; Except GM Brake Code JB5 |
| 1980 | GMC | G1500 | — | — | — | — | — | — | Front | Constant rate spring; GM Brake Code JB5 |
| 1980 | GMC | G2500 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1980 | GMC | G3500 | Standard Passenger Van | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1980 | GMC | G3500 | Standard Cargo Van | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1980 | GMC | P1500 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty |
| 1980 | GMC | P2500 | — | — | — | — | — | — | Front | Constant rate spring; GM Brake Code JB6 |
| 1979 | Chevrolet | C10 | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1979 | Chevrolet | C10 | — | — | 5.7L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1979 | Chevrolet | C10 | — | — | 5.7L | V8 | DIESEL | — | Front | Constant rate coil spring for various vehicles. |
| 1979 | Chevrolet | C10 | — | — | 5.0L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1979 | Chevrolet | C10 | — | — | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1979 | Chevrolet | C10 Suburban | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1979 | Chevrolet | C10 Suburban | — | — | 5.7L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1979 | Chevrolet | C10 Suburban | — | — | 5.7L | V8 | DIESEL | — | Front | Constant rate coil spring for various vehicles. |
| 1979 | Chevrolet | C10 Suburban | — | — | 5.0L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1979 | Chevrolet | C10 Suburban | — | — | 4.1L | L6 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1979 | Chevrolet | C20 | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1979 | Chevrolet | C20 | Crew Cab Pickup | 4 Door | 5.7L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1979 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1979 | Chevrolet | C20 | Cab & Chassis | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1979 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1979 | Chevrolet | C20 | Cab & Chassis | 2 Door | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1979 | Chevrolet | C20 Suburban | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1979 | Chevrolet | C20 Suburban | — | — | 6.6L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1979 | Chevrolet | C20 Suburban | — | — | 5.7L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1979 | Chevrolet | C20 Suburban | — | — | 5.0L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1979 | Chevrolet | C30 | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1979 | Chevrolet | C30 | — | — | 5.7L | V8 | — | — | Front | Constant rate spring; GM Brake Code JB8 |
| 1979 | Chevrolet | C30 | Standard Cab Pickup | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB7 |
| 1979 | Chevrolet | C30 | Cab & Chassis | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB7 |
| 1979 | Chevrolet | C30 | Standard Cab Pickup | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB7 |
| 1979 | Chevrolet | C30 | Cab & Chassis | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB7 |
| 1979 | Chevrolet | C30 | Cab & Chassis | 2 Door | 4.8L | L6 | — | 159.5" | Front | Constant rate coil spring for various vehicles. |
| 1979 | Chevrolet | C30 | Cab & Chassis | 2 Door | 4.8L | L6 | — | 135.5" | Front | Constant rate coil spring for various vehicles. |
| 1979 | Chevrolet | G10 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty; Except GM Brake Code JB5 |
| 1979 | Chevrolet | G10 | — | — | — | — | — | — | Front | Constant rate spring; GM Brake Code JB5 |
| 1979 | Chevrolet | G20 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1979 | Chevrolet | G30 | Standard Passenger Van | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1979 | Chevrolet | G30 | Standard Cargo Van | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1979 | Chevrolet | P10 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty |
| 1979 | Chevrolet | P20 | — | — | — | — | — | — | Front | Constant rate spring; GM Brake Code JB6 |
| 1979 | GMC | C1500 | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1979 | GMC | C1500 | — | — | 5.7L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1979 | GMC | C1500 | — | — | 5.0L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1979 | GMC | C1500 | — | — | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1979 | GMC | C1500 | — | — | — | — | DIESEL | — | Front | Constant rate coil spring for various vehicles. |
| 1979 | GMC | C1500 Suburban | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1979 | GMC | C1500 Suburban | — | — | 5.7L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1979 | GMC | C1500 Suburban | — | — | 5.0L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1979 | GMC | C1500 Suburban | — | — | 4.1L | L6 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1979 | GMC | C1500 Suburban | — | — | — | — | DIESEL | — | Front | Constant rate coil spring for various vehicles. |
| 1979 | GMC | C2500 | Crew Cab Pickup | 4 Door | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1979 | GMC | C2500 | Standard Cab Pickup | 2 Door | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1979 | GMC | C2500 | Cab & Chassis | 2 Door | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1979 | GMC | C2500 | Crew Cab Pickup | 4 Door | 5.7L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1979 | GMC | C2500 | Standard Cab Pickup | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1979 | GMC | C2500 | Cab & Chassis | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1979 | GMC | C2500 | Standard Cab Pickup | 2 Door | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1979 | GMC | C2500 | Cab & Chassis | 2 Door | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1979 | GMC | C2500 Suburban | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1979 | GMC | C2500 Suburban | — | — | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1979 | GMC | C2500 Suburban | — | — | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1979 | GMC | C3500 | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1979 | GMC | C3500 | — | — | 5.7L | V8 | — | — | Front | Constant rate spring; GM Brake Code JB8 |
| 1979 | GMC | C3500 | Standard Cab Pickup | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB7 |
| 1979 | GMC | C3500 | Cab & Chassis | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB7 |
| 1979 | GMC | C3500 | Standard Cab Pickup | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB7 |
| 1979 | GMC | C3500 | Cab & Chassis | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty; GM Brake Code JB7 |
| 1979 | GMC | C3500 | Cab & Chassis | 2 Door | 4.8L | L6 | — | 159.5" | Front | Constant rate coil spring for various vehicles. |
| 1979 | GMC | C3500 | Cab & Chassis | 2 Door | 4.8L | L6 | — | 135.5" | Front | Constant rate coil spring for various vehicles. |
| 1979 | GMC | G1500 | — | — | — | — | — | — | Front | Constant rate spring; GM Brake Code JB5 |
| 1979 | GMC | G1500 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty; Except GM Brake Code JB5 |
| 1979 | GMC | G2500 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1979 | GMC | G3500 | Standard Passenger Van | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1979 | GMC | G3500 | Standard Cargo Van | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1979 | GMC | P1500 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty |
| 1979 | GMC | P2500 | — | — | — | — | — | — | Front | Constant rate spring; GM Brake Code JB6 |
| 1978 | Chevrolet | C10 | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1978 | Chevrolet | C10 | — | — | 5.7L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1978 | Chevrolet | C10 | — | — | 5.7L | V8 | DIESEL | — | Front | Constant rate coil spring for various vehicles. |
| 1978 | Chevrolet | C10 | — | — | 5.0L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1978 | Chevrolet | C10 | — | — | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1978 | Chevrolet | C10 Suburban | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1978 | Chevrolet | C10 Suburban | — | — | 5.7L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1978 | Chevrolet | C10 Suburban | — | — | 5.7L | V8 | DIESEL | — | Front | Constant rate coil spring for various vehicles. |
| 1978 | Chevrolet | C10 Suburban | — | — | 5.0L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1978 | Chevrolet | C10 Suburban | — | — | 4.1L | L6 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1978 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1978 | Chevrolet | C20 | Cab & Chassis | 2 Door | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1978 | Chevrolet | C20 | Crew Cab Pickup | 4 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Single Rear Wheel |
| 1978 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1978 | Chevrolet | C20 | Cab & Chassis | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1978 | Chevrolet | C20 | Crew Cab Pickup | 4 Door | 5.0L | V8 | — | — | Front | Constant rate spring; Single Rear Wheel |
| 1978 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 5.0L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1978 | Chevrolet | C20 | Cab & Chassis | 2 Door | 5.0L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1978 | Chevrolet | C20 | Crew Cab Pickup | 4 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Single Rear Wheel |
| 1978 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1978 | Chevrolet | C20 | Cab & Chassis | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1978 | Chevrolet | C20 | Crew Cab Pickup | 4 Door | 4.1L | L6 | — | — | Front | Constant rate spring; Single Rear Wheel |
| 1978 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1978 | Chevrolet | C20 | Cab & Chassis | 2 Door | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1978 | Chevrolet | C20 Suburban | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1978 | Chevrolet | C20 Suburban | — | — | 5.7L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1978 | Chevrolet | C20 Suburban | — | — | 5.0L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1978 | Chevrolet | C20 Suburban | — | — | 4.8L | L6 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1978 | Chevrolet | C30 | Crew Cab Pickup | 4 Door | 7.4L | V8 | — | — | Front | Constant rate spring; Single Rear Wheel |
| 1978 | Chevrolet | C30 | — | — | 5.7L | V8 | — | — | Front | Constant rate spring; With Dual Rear Wheels |
| 1978 | Chevrolet | C30 | Standard Cab Pickup | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty; Single Rear Wheel |
| 1978 | Chevrolet | C30 | Cab & Chassis | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty; Single Rear Wheel |
| 1978 | Chevrolet | C30 | — | — | 4.8L | L6 | — | — | Front | Constant rate spring; With Dual Rear Wheels |
| 1978 | Chevrolet | C30 | Standard Cab Pickup | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty; Single Rear Wheel |
| 1978 | Chevrolet | C30 | Cab & Chassis | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty; Single Rear Wheel |
| 1978 | Chevrolet | G20 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1978 | Chevrolet | G30 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1978 | Chevrolet | K5 Blazer | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1978 | Chevrolet | K5 Blazer | — | — | 6.6L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1978 | Chevrolet | K5 Blazer | — | — | 5.7L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1978 | Chevrolet | K5 Blazer | — | — | 5.0L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1978 | Chevrolet | K5 Blazer | — | — | 4.1L | L6 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1978 | Chevrolet | P10 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty |
| 1978 | Chevrolet | P20 | — | — | — | — | — | — | Front | Constant rate spring; Except GM Brake Code JB7 |
| 1978 | Chevrolet | P30 | Stripped Chassis | — | — | — | — | — | Front | Constant rate spring; Single Rear Wheel |
| 1978 | Chevrolet | P30 | Standard Cargo Van | — | — | — | — | — | Front | Constant rate spring; Single Rear Wheel |
| 1978 | GMC | G25 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1978 | GMC | G35 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1978 | GMC | Jimmy | — | — | 6.6L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1978 | GMC | Jimmy | — | — | 5.7L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1978 | GMC | Jimmy | — | — | 5.0L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1978 | GMC | Jimmy | — | — | 4.1L | L6 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1977 | Chevrolet | C10 | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1977 | Chevrolet | C10 | — | — | 5.7L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1977 | Chevrolet | C10 | — | — | 5.0L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1977 | Chevrolet | C10 | — | — | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1977 | Chevrolet | C10 Suburban | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1977 | Chevrolet | C10 Suburban | — | — | 5.7L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1977 | Chevrolet | C10 Suburban | — | — | 5.0L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1977 | Chevrolet | C10 Suburban | — | — | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1977 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1977 | Chevrolet | C20 | Cab & Chassis | 2 Door | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1977 | Chevrolet | C20 | Crew Cab Pickup | 4 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Single Rear Wheel |
| 1977 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1977 | Chevrolet | C20 | Cab & Chassis | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1977 | Chevrolet | C20 | Crew Cab Pickup | 4 Door | 5.0L | V8 | — | — | Front | Constant rate spring; Single Rear Wheel |
| 1977 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 5.0L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1977 | Chevrolet | C20 | Cab & Chassis | 2 Door | 5.0L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1977 | Chevrolet | C20 | Crew Cab Pickup | 4 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Single Rear Wheel |
| 1977 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1977 | Chevrolet | C20 | Cab & Chassis | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1977 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1977 | Chevrolet | C20 | Cab & Chassis | 2 Door | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1977 | Chevrolet | C20 Suburban | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1977 | Chevrolet | C20 Suburban | — | — | 5.7L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1977 | Chevrolet | C20 Suburban | — | — | 5.0L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1977 | Chevrolet | C30 | Crew Cab Pickup | 4 Door | 7.4L | V8 | — | — | Front | Constant rate spring; Single Rear Wheel |
| 1977 | Chevrolet | C30 | — | — | 5.7L | V8 | — | — | Front | Constant rate spring; With Dual Rear Wheels |
| 1977 | Chevrolet | C30 | Standard Cab Pickup | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty; Single Rear Wheel |
| 1977 | Chevrolet | C30 | Cab & Chassis | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty; Single Rear Wheel |
| 1977 | Chevrolet | C30 | — | — | 4.8L | L6 | — | — | Front | Constant rate spring; With Dual Rear Wheels |
| 1977 | Chevrolet | C30 | Standard Cab Pickup | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty; Single Rear Wheel |
| 1977 | Chevrolet | C30 | Cab & Chassis | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty; Single Rear Wheel |
| 1977 | Chevrolet | G20 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1977 | Chevrolet | G30 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1977 | Chevrolet | K5 Blazer | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1977 | Chevrolet | K5 Blazer | — | — | 6.6L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1977 | Chevrolet | K5 Blazer | — | — | 5.7L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1977 | Chevrolet | K5 Blazer | — | — | 5.0L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1977 | Chevrolet | K5 Blazer | — | — | 4.1L | L6 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1977 | Chevrolet | P10 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty |
| 1977 | Chevrolet | P20 | — | — | — | — | — | — | Front | Constant rate spring; Except GM Brake Code JB7 |
| 1977 | Chevrolet | P30 | Stripped Chassis | — | — | — | — | — | Front | Constant rate spring; Single Rear Wheel |
| 1977 | Chevrolet | P30 | Standard Cargo Van | — | — | — | — | — | Front | Constant rate spring; Single Rear Wheel |
| 1977 | GMC | G25 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1977 | GMC | G35 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1977 | GMC | Jimmy | — | — | 6.6L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1977 | GMC | Jimmy | — | — | 5.7L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1977 | GMC | Jimmy | — | — | 5.0L | V8 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1977 | GMC | Jimmy | — | — | 4.1L | L6 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1976 | Chevrolet | C10 | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1976 | Chevrolet | C10 | — | — | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1976 | Chevrolet | C10 | — | — | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1976 | Chevrolet | C10 Suburban | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1976 | Chevrolet | C10 Suburban | — | — | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1976 | Chevrolet | C10 Suburban | — | — | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1976 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1976 | Chevrolet | C20 | Cab & Chassis | 2 Door | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1976 | Chevrolet | C20 | Crew Cab Pickup | 4 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Single Rear Wheel |
| 1976 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1976 | Chevrolet | C20 | Cab & Chassis | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1976 | Chevrolet | C20 | Crew Cab Pickup | 4 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Single Rear Wheel |
| 1976 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1976 | Chevrolet | C20 | Cab & Chassis | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1976 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1976 | Chevrolet | C20 | Cab & Chassis | 2 Door | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1976 | Chevrolet | C30 | Standard Cab Pickup | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Single Rear Wheel |
| 1976 | Chevrolet | C30 | Cab & Chassis | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Single Rear Wheel |
| 1976 | Chevrolet | C30 | Standard Cab Pickup | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Single Rear Wheel |
| 1976 | Chevrolet | C30 | Cab & Chassis | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Single Rear Wheel |
| 1976 | Chevrolet | G20 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty |
| 1976 | Chevrolet | G30 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1976 | Chevrolet | K5 Blazer | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1976 | Chevrolet | K5 Blazer | — | — | 6.6L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1976 | Chevrolet | K5 Blazer | — | — | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1976 | Chevrolet | K5 Blazer | — | — | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1976 | Chevrolet | P10 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty |
| 1976 | Chevrolet | P20 | — | — | — | — | — | — | Front | Constant rate spring; Except GM Brake Code JB7 |
| 1976 | Chevrolet | P30 | Stripped Chassis | — | — | — | — | — | Front | Constant rate spring; Single Rear Wheel |
| 1976 | Chevrolet | P30 | Standard Cargo Van | — | — | — | — | — | Front | Constant rate spring; Single Rear Wheel |
| 1976 | GMC | G25 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty |
| 1976 | GMC | G35 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1976 | GMC | Jimmy | — | — | 6.6L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1976 | GMC | Jimmy | — | — | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1976 | GMC | Jimmy | — | — | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1975 | Chevrolet | C10 | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1975 | Chevrolet | C10 | — | — | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1975 | Chevrolet | C10 Suburban | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1975 | Chevrolet | C10 Suburban | — | — | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1975 | Chevrolet | C10 Suburban | — | — | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1975 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1975 | Chevrolet | C20 | Cab & Chassis | 2 Door | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1975 | Chevrolet | C20 | Crew Cab Pickup | 4 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Single Rear Wheel |
| 1975 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1975 | Chevrolet | C20 | Cab & Chassis | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1975 | Chevrolet | C20 | Crew Cab Pickup | 4 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Single Rear Wheel |
| 1975 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1975 | Chevrolet | C20 | Cab & Chassis | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1975 | Chevrolet | C20 | Crew Cab Pickup | 4 Door | 4.1L | L6 | — | — | Front | Constant rate spring; Single Rear Wheel |
| 1975 | Chevrolet | C20 | Standard Cab Pickup | 2 Door | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1975 | Chevrolet | C20 | Cab & Chassis | 2 Door | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1975 | Chevrolet | C30 | Standard Cab Pickup | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Single Rear Wheel |
| 1975 | Chevrolet | C30 | Cab & Chassis | 2 Door | 5.7L | V8 | — | — | Front | Constant rate spring; Single Rear Wheel |
| 1975 | Chevrolet | C30 | Standard Cab Pickup | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Single Rear Wheel |
| 1975 | Chevrolet | C30 | Cab & Chassis | 2 Door | 4.8L | L6 | — | — | Front | Constant rate spring; Single Rear Wheel |
| 1975 | Chevrolet | C30 | Standard Cab Pickup | 2 Door | 4.1L | L6 | — | — | Front | Constant rate spring; Single Rear Wheel |
| 1975 | Chevrolet | C30 | Cab & Chassis | 2 Door | 4.1L | L6 | — | — | Front | Constant rate spring; Single Rear Wheel |
| 1975 | Chevrolet | G20 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty |
| 1975 | Chevrolet | G30 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1975 | Chevrolet | K5 Blazer | — | — | 6.6L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1975 | Chevrolet | K5 Blazer | — | — | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1975 | Chevrolet | K5 Blazer | — | — | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1975 | Chevrolet | P10 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty |
| 1975 | Chevrolet | P20 | — | — | — | — | — | — | Front | Constant rate spring; Except GM Brake Code JB7 |
| 1975 | Chevrolet | P30 | Stripped Chassis | — | — | — | — | — | Front | Constant rate spring; Single Rear Wheel |
| 1975 | Chevrolet | P30 | Standard Cargo Van | — | — | — | — | — | Front | Constant rate spring; Single Rear Wheel |
| 1975 | GMC | G25 | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty |
| 1975 | GMC | G35 | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1975 | GMC | Jimmy | — | — | 6.6L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1975 | GMC | Jimmy | — | — | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1975 | GMC | Jimmy | — | — | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1974 | Chevrolet | Blazer | — | — | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1974 | Chevrolet | Blazer | — | — | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1974 | Chevrolet | C10 Suburban | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1974 | Chevrolet | C10 Suburban | — | — | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1974 | Chevrolet | C10 Suburban | — | — | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1974 | Chevrolet | C10 Suburban | — | — | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1974 | Chevrolet | C20 Suburban | — | — | 4.1L | L6 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1974 | GMC | G25/G2500 Van | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty |
| 1974 | GMC | G35/G3500 Van | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1974 | GMC | Jimmy | — | — | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1974 | GMC | Jimmy | — | — | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1973 | Chevrolet | Blazer | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1973 | Chevrolet | Blazer | — | — | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1973 | Chevrolet | Blazer | — | — | 5.0L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1973 | Chevrolet | Blazer | — | — | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1973 | Chevrolet | Blazer | — | — | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1973 | Chevrolet | C10 Suburban | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1973 | Chevrolet | C10 Suburban | — | — | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1973 | Chevrolet | C10 Suburban | — | — | 5.0L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1973 | Chevrolet | C10 Suburban | — | — | 4.8L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1973 | Chevrolet | C10 Suburban | — | — | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| 1973 | Chevrolet | C20 Suburban | — | — | 4.1L | L6 | GAS | — | Front | Constant rate spring; Heavy Duty |
| 1973 | GMC | G25/G2500 Van | — | — | — | — | — | — | Front | Constant rate spring; Heavy Duty |
| 1973 | GMC | G35/G3500 Van | — | — | — | — | — | — | Front | Constant rate coil spring for various vehicles. |
| 1973 | GMC | Jimmy | — | — | 7.4L | V8 | — | — | Front | Constant rate coil spring for various vehicles. |
| 1973 | GMC | Jimmy | — | — | 5.7L | V8 | — | — | Front | Constant rate spring; Heavy Duty |
| 1973 | GMC | Jimmy | — | — | 4.1L | L6 | — | — | Front | Constant rate spring; Heavy Duty |
| No rows match your filter. | ||||||||||