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R1 Concepts
R1 Concepts Drum Adjuster KitR1 Concepts ADJ-48011 Drum Brake Adjuster - Front Left or Rear Left
| Brand | R1 Concepts ADJ-48011 |
|---|---|
| Position | Rear Left and Front Left |
| Product line | R1 Concepts Drum Adjuster Kit |
| Fits | Buick, Chevrolet, GMC, Oldsmobile, and Pontiac · 217 vehicles |
OE-style fitment. Application-specific drum brake hardware for select classic GM vehicles.
Wide GM coverage. Supports multiple Chevrolet, Pontiac, Buick, and Oldsmobile drum brake applications.
Part number ADJ-48011. Use this catalog reference to verify the correct drum adjuster kit.
$38.61Free shipping
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Step 2 — Quantity
Drum Brake Adjusters are typically replaced in pairs, axle by axle.
$38.61
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Not what you need? See all Drum Brake Adjuster options
Drum Brake Adjuster Kit Overview
The R1 Concepts Drum Adjuster Kit, part number ADJ-48011, is a fitment-specific brake hardware component for drum brake service. It is listed for a wide range of classic Chevrolet, Pontiac, Buick, and Oldsmobile applications, including Chevrolet Camaro, Pontiac Firebird, and Buick Skylark models.
Key Features
- Drum brake adjuster kit for drum brake hardware service
- Compatible with front left and rear left applications, depending on vehicle fitment
- Fitment covers 1962-1981 model years across multiple GM platforms
- Application notes include drum size and axle-specific requirements on select vehicles
- Part number ADJ-48011 for catalog and fitment verification
Detailed Fitment Information
Use this adjuster kit when servicing compatible drum brake assemblies on vehicles such as the Chevrolet Camaro, Pontiac Firebird, and Buick Skylark. Fitment varies by year, model, and position, so the notes in the application table should be matched carefully before ordering. This part number, ADJ-48011, is associated with both front left and rear left drum brake applications across the listed GM vehicles.
This part cross-references no interchange numbers provided for the same application.
Common Service Uses
- Restoring proper drum brake adjustment
- Replacing worn or corroded adjuster hardware
- Addressing uneven rear drum brake operation
- Correcting adjustment issues after drum brake service
- Supporting brake maintenance on classic GM drum brake systems
Installation Notes
Verify the exact year, make, model, position, and drum brake notes before installation. Several listings include drum diameter, axle, or drum-style requirements, so the vehicle application must be matched to the correct configuration. Confirm the part number ADJ-48011 against the existing hardware layout before beginning service.
Quality Assurance
R1 Concepts catalogs this drum adjuster kit for specific OE-style drum brake applications. Fitment coverage is application-specific and should be verified against the vehicle listing before installation.
This part fits 217 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1981 | Pontiac | Bonneville | — | — | — | Rear Left | 9 1/2 inch Rear Drums; R1 Concepts Drum Adjuster Kit |
| 1980 | Chevrolet | Monza | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1980 | Oldsmobile | Starfire | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1980 | Pontiac | Bonneville | — | — | — | Rear Left | 9 1/2 inch Rear Drums; R1 Concepts Drum Adjuster Kit |
| 1980 | Pontiac | Sunbird | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1979 | Buick | LeSabre | — | — | — | Rear Left | 9 inch Rear Drums; R1 Concepts Drum Adjuster Kit |
| 1979 | Buick | Skylark | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1979 | Chevrolet | Monza | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1979 | Oldsmobile | Starfire | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1979 | Pontiac | Bonneville | — | — | — | Rear Left | 9 1/2 inch Rear Drums; R1 Concepts Drum Adjuster Kit |
| 1979 | Pontiac | Sunbird | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1978 | Buick | Century | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1978 | Buick | Electra | — | — | — | Rear Left | 9 1/2 inch Drums; R1 Concepts Drum Adjuster Kit |
| 1978 | Buick | Estate Wagon | — | — | — | Rear Left | 9 1/2 inch Drums; R1 Concepts Drum Adjuster Kit |
| 1978 | Buick | LeSabre | — | — | — | Rear Left | 9 inch Rear Drums; R1 Concepts Drum Adjuster Kit |
| 1978 | Buick | Regal | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1978 | Buick | Skylark | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1978 | Chevrolet | Camaro | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1978 | Chevrolet | El Camino | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1978 | Chevrolet | Impala | — | — | — | Rear Left | 9 1/2 inch Rear Drums; R1 Concepts Drum Adjuster Kit |
| 1978 | Chevrolet | Malibu | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1978 | Chevrolet | Monte Carlo | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1978 | Chevrolet | Monza | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1978 | Chevrolet | Nova | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1978 | Oldsmobile | Cutlass Supreme | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1978 | Oldsmobile | Omega | — | — | — | Rear Left | 9 1/2 inch Rear Drums; R1 Concepts Drum Adjuster Kit |
| 1978 | Oldsmobile | Starfire | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1978 | Pontiac | Bonneville | — | — | — | Rear Left | 9 1/2 inch Rear Drums; R1 Concepts Drum Adjuster Kit |
| 1978 | Pontiac | Catalina | — | — | — | Rear Left | 9 1/2 inch Rear Drums; R1 Concepts Drum Adjuster Kit |
| 1978 | Pontiac | Firebird | — | — | — | Rear Left | Rear Drum; R1 Concepts Drum Adjuster Kit |
| 1978 | Pontiac | Grand Am | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1978 | Pontiac | Grand Prix | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1978 | Pontiac | LeMans | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1978 | Pontiac | Phoenix | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1978 | Pontiac | Sunbird | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1977 | Buick | Electra | — | — | — | Rear Left | 9 1/2 inch Drums; R1 Concepts Drum Adjuster Kit |
| 1977 | Buick | Estate Wagon | — | — | — | Rear Left | 9 1/2 inch Drums; R1 Concepts Drum Adjuster Kit |
| 1977 | Buick | LeSabre | — | — | — | Rear Left | 9 inch Rear Drums; R1 Concepts Drum Adjuster Kit |
| 1977 | Buick | Skylark | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1977 | Chevrolet | Camaro | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1977 | Chevrolet | Caprice | — | — | — | Rear Left | 9 1/2 inch Rear Drums; R1 Concepts Drum Adjuster Kit |
| 1977 | Chevrolet | Impala | — | — | — | Rear Left | 9 1/2 inch Rear Drums; R1 Concepts Drum Adjuster Kit |
| 1977 | Chevrolet | Monza | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1977 | Chevrolet | Nova | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1977 | Chevrolet | Vega | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1977 | Oldsmobile | Omega | — | — | — | Rear Left | 9 1/2 inch Rear Drums; R1 Concepts Drum Adjuster Kit |
| 1977 | Oldsmobile | Starfire | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1977 | Pontiac | Astre | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1977 | Pontiac | Bonneville | — | — | — | Rear Left | 9 1/2 inch Rear Drums; R1 Concepts Drum Adjuster Kit |
| 1977 | Pontiac | Catalina | — | — | — | Rear Left | 9 1/2 inch Rear Drums; R1 Concepts Drum Adjuster Kit |
| 1977 | Pontiac | Firebird | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1977 | Pontiac | Sunbird | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1977 | Pontiac | Ventura | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1976 | Buick | Skylark | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1976 | Chevrolet | Camaro | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1976 | Chevrolet | Monza | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1976 | Chevrolet | Nova | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1976 | Chevrolet | Vega | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1976 | Oldsmobile | Omega | — | — | — | Rear Left | 9 1/2 inch Rear Drums; R1 Concepts Drum Adjuster Kit |
| 1976 | Oldsmobile | Starfire | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1976 | Pontiac | Astre | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1976 | Pontiac | Firebird | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1976 | Pontiac | Sunbird | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1976 | Pontiac | Ventura | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1975 | Buick | Century | Sedan | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1975 | Buick | Regal | Sedan | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1975 | Buick | Skylark | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1975 | Chevrolet | Camaro | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1975 | Chevrolet | El Camino | — | — | — | Rear Left | 9 1/2 inch Rear Drums; R1 Concepts Drum Adjuster Kit |
| 1975 | Chevrolet | Malibu | Coupe | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1975 | Chevrolet | Nova | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1975 | Oldsmobile | Cutlass Supreme | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1975 | Oldsmobile | Omega | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1975 | Pontiac | Firebird | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1975 | Pontiac | Grand Prix | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1975 | Pontiac | LeMans | Sedan | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1975 | Pontiac | Ventura | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1974 | Buick | Century | Sedan | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1974 | Buick | Regal | Sedan | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1974 | Chevrolet | Camaro | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1974 | Chevrolet | El Camino | — | — | — | Rear Left | 9 1/2 inch Rear Drums; R1 Concepts Drum Adjuster Kit |
| 1974 | Chevrolet | Monte Carlo | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1974 | Chevrolet | Nova | — | — | — | Front Left | R1 Concepts Drum Adjuster Kit |
| 1974 | Oldsmobile | Cutlass Supreme | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1974 | Oldsmobile | Omega | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1974 | Pontiac | Firebird | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1974 | Pontiac | Grand Prix | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1974 | Pontiac | LeMans | Sedan | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1974 | Pontiac | Ventura | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1973 | Buick | Century | Sedan | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1973 | Chevrolet | Camaro | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1973 | Chevrolet | Chevelle | Coupe | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1973 | Chevrolet | El Camino | — | — | — | Rear Left | 9 1/2 inch Rear Drums; R1 Concepts Drum Adjuster Kit |
| 1973 | Chevrolet | Monte Carlo | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1973 | Chevrolet | Nova | — | — | — | Front Left | R1 Concepts Drum Adjuster Kit |
| 1973 | Oldsmobile | Cutlass Supreme | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1973 | Oldsmobile | Omega | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1973 | Pontiac | Firebird | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1973 | Pontiac | Grand Prix | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1973 | Pontiac | GTO | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1973 | Pontiac | LeMans | Sedan | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1973 | Pontiac | Ventura | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1972 | Buick | Skylark | — | — | — | Rear Left | 4 inch Tall Drums; R1 Concepts Drum Adjuster Kit |
| 1972 | Chevrolet | Camaro | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1972 | Chevrolet | Chevelle | — | — | — | Front Left | R1 Concepts Drum Adjuster Kit |
| 1972 | Chevrolet | El Camino | — | — | — | Front Left | Cut Out Rear Axle Cover; R1 Concepts Drum Adjuster Kit |
| 1972 | Chevrolet | Monte Carlo | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1972 | Chevrolet | Nova | — | — | — | Front Left | R1 Concepts Drum Adjuster Kit |
| 1972 | Oldsmobile | Cutlass Supreme | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1972 | Oldsmobile | Vista Cruiser | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1972 | Pontiac | Firebird | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1972 | Pontiac | Grand Prix | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1972 | Pontiac | GTO | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1972 | Pontiac | LeMans | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1972 | Pontiac | Ventura | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1971 | Buick | Skylark | — | — | — | Rear Left | 4 inch Tall Drums; R1 Concepts Drum Adjuster Kit |
| 1971 | Chevrolet | Camaro | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1971 | Chevrolet | Chevelle | — | — | — | Front Left | R1 Concepts Drum Adjuster Kit |
| 1971 | Chevrolet | El Camino | — | — | — | Front Left | Cut Out Rear Axle Cover; R1 Concepts Drum Adjuster Kit |
| 1971 | Chevrolet | G10 Van | — | — | — | Rear Left | 9 1/2 inch Rear Drums; R1 Concepts Drum Adjuster Kit |
| 1971 | Chevrolet | Monte Carlo | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1971 | Chevrolet | Nova | — | — | — | Front Left | R1 Concepts Drum Adjuster Kit |
| 1971 | GMC | G15/G1500 Van | — | — | — | Rear Left | H024, H029 Rear Axles; R1 Concepts Drum Adjuster Kit |
| 1971 | Oldsmobile | Cutlass Supreme | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1971 | Oldsmobile | Vista Cruiser | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1971 | Pontiac | Firebird | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1971 | Pontiac | Grand Prix | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1971 | Pontiac | GTO | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1971 | Pontiac | LeMans | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1971 | Pontiac | Ventura | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1970 | Buick | Skylark | — | — | — | Rear Left | 4 inch Tall Drums; R1 Concepts Drum Adjuster Kit |
| 1970 | Chevrolet | Camaro | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1970 | Chevrolet | Chevelle | — | — | — | Front Left | R1 Concepts Drum Adjuster Kit |
| 1970 | Chevrolet | El Camino | — | — | — | Front Left | Cut Out Rear Axle Cover; R1 Concepts Drum Adjuster Kit |
| 1970 | Chevrolet | G10 Van | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1970 | Chevrolet | Monte Carlo | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1970 | Chevrolet | Nova | — | — | — | Front Left | R1 Concepts Drum Adjuster Kit |
| 1970 | GMC | G15/G1500 Van | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1970 | Oldsmobile | Cutlass Supreme | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1970 | Oldsmobile | Vista Cruiser | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1970 | Pontiac | Firebird | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1970 | Pontiac | Grand Prix | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1970 | Pontiac | GTO | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1970 | Pontiac | LeMans | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1970 | Pontiac | Tempest | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1969 | Buick | Skylark | — | — | — | Rear Left | 4 inch Tall Drums; R1 Concepts Drum Adjuster Kit |
| 1969 | Buick | Special | — | — | — | Rear Left | 4 inch Tall Drums; R1 Concepts Drum Adjuster Kit |
| 1969 | Chevrolet | Camaro | — | — | — | Front Left | 4 Wheel Drum; R1 Concepts Drum Adjuster Kit |
| 1969 | Chevrolet | Chevelle | — | — | — | Front Left | Finned Drums; R1 Concepts Drum Adjuster Kit |
| 1969 | Chevrolet | El Camino | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1969 | Chevrolet | G10 Van | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1969 | Chevrolet | Nova | — | — | — | Front Left | R1 Concepts Drum Adjuster Kit |
| 1969 | GMC | G15/G1500 Van | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1969 | Oldsmobile | Cutlass Supreme | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1969 | Oldsmobile | Vista Cruiser | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1969 | Pontiac | Firebird | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1969 | Pontiac | Grand Prix | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1969 | Pontiac | GTO | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1969 | Pontiac | LeMans | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1969 | Pontiac | Tempest | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1968 | Buick | Skylark | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1968 | Buick | Special | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1968 | Chevrolet | Camaro | — | — | — | Front Left | 4 Wheel Drum; R1 Concepts Drum Adjuster Kit |
| 1968 | Chevrolet | Chevelle | — | — | — | Front Left | Finned Drums; R1 Concepts Drum Adjuster Kit |
| 1968 | Chevrolet | Chevy II | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1968 | Chevrolet | El Camino | — | — | — | Front Left | R1 Concepts Drum Adjuster Kit |
| 1968 | Chevrolet | G10 Van | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1968 | GMC | G15/G1500 Van | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1968 | Oldsmobile | Cutlass Supreme | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1968 | Oldsmobile | Vista Cruiser | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1968 | Pontiac | Firebird | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1968 | Pontiac | GTO | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1968 | Pontiac | LeMans | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1968 | Pontiac | Tempest | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1967 | Buick | Skylark | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1967 | Buick | Special | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1967 | Chevrolet | Camaro | — | — | — | Front Left | R1 Concepts Drum Adjuster Kit |
| 1967 | Chevrolet | Chevelle | — | — | — | Front Left | R1 Concepts Drum Adjuster Kit |
| 1967 | Chevrolet | Chevy II | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1967 | Chevrolet | El Camino | — | — | — | Front Left | R1 Concepts Drum Adjuster Kit |
| 1967 | Chevrolet | G10 Van | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1967 | GMC | G15/G1500 Van | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1967 | Oldsmobile | Cutlass Supreme | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1967 | Oldsmobile | Vista Cruiser | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1967 | Pontiac | Firebird | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1967 | Pontiac | GTO | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1967 | Pontiac | LeMans | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1967 | Pontiac | Tempest | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1966 | Buick | Skylark | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1966 | Buick | Special | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1966 | Chevrolet | Chevelle | — | 3.2L | L6 | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1966 | Chevrolet | Chevy II | — | — | — | Front Left | R1 Concepts Drum Adjuster Kit |
| 1966 | Chevrolet | El Camino | — | — | — | Front Left | R1 Concepts Drum Adjuster Kit |
| 1966 | Oldsmobile | Vista Cruiser | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1966 | Pontiac | GTO | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1966 | Pontiac | LeMans | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1966 | Pontiac | Tempest | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1965 | Buick | Skylark | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1965 | Buick | Special | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1965 | Chevrolet | Chevelle | — | 3.2L | L6 | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1965 | Chevrolet | Chevy II | — | — | — | Front Left | R1 Concepts Drum Adjuster Kit |
| 1965 | Chevrolet | El Camino | — | — | — | Rear Left | 9 1/2 inch Brakes; R1 Concepts Drum Adjuster Kit |
| 1965 | Oldsmobile | Vista Cruiser | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1965 | Pontiac | GTO | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1965 | Pontiac | LeMans | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1965 | Pontiac | Tempest | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1964 | Buick | Skylark | — | — | — | Rear Left | 4 inch Tall Drums; R1 Concepts Drum Adjuster Kit |
| 1964 | Buick | Special | Sedan | — | — | Rear Left | 3 1/2 inch Tall Drums; R1 Concepts Drum Adjuster Kit |
| 1964 | Chevrolet | Chevy II | — | — | — | Front Left | R1 Concepts Drum Adjuster Kit |
| 1964 | Chevrolet | Corvair | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1964 | Chevrolet | El Camino | — | — | — | Rear Left | 9 1/2 inch Brakes; R1 Concepts Drum Adjuster Kit |
| 1964 | Oldsmobile | Vista Cruiser | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1964 | Pontiac | GTO | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1964 | Pontiac | LeMans | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1964 | Pontiac | Tempest | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1963 | Chevrolet | Corvair | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
| 1962 | Chevrolet | Corvair | — | — | — | Rear Left | R1 Concepts Drum Adjuster Kit |
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