DJ Rock P4113 Engine Piston Set

Engine Piston Set for Ford V8 Rebuilds

DJ Rock P4113 is a premium engine piston set built for complete engine service in select Ford, Mercury, and Lincoln applications. With a 101.6 mm bore diameter and 1.5 mm top, 1.5 mm second, and 4.0 mm oil ring thickness, this set is specified for accurate sealing, oil control, and combustion chamber performance.

Compatible With 1986-1996 Ford Bronco, Ford F-150, Ford F-250, Ford E-Series vans, Mustang, Thunderbird, LTD Crown Victoria, and related Mercury and Lincoln models listed below.

• Premium-grade piston set for complete engine rebuild service
• 101.6 bore diameter for the listed Ford 5.0L/5.8L-style applications
• 1.5 mm top compression ring, 1.5 mm second compression ring, 4.0 mm oil ring
• Deep-dish crown configuration noted for applicable fitments
• Cross-references 517P, H616P, and H654P for the same application
• Part number P4113 for catalog and service verification

Detailed Product Overview

Engine pistons convert combustion pressure into mechanical force at the crankshaft while helping maintain cylinder sealing and oil control. DJ Rock P4113 is engineered as a complete piston set for rebuild work where correct bore size, ring package, and crown design matter. The listed fitments include 1986-1996 Ford Bronco, 1987-1996 Ford F-150, 1987-1996 Ford F-250, 1987-1991 Ford LTD Crown Victoria, 1986-1992 Lincoln Mark VII, 1986-1990 Lincoln Town Car, and matching Mercury applications such as Grand Marquis, Cougar, and Colony Park. P4113 is also referenced by part numbers 517P, H616P, and H654P.

What This Part Helps Address

• Low compression from worn or damaged pistons
• Excess oil consumption caused by worn ring sealing surfaces
• Scoring or heat-related piston wear in high-mileage engines
• Engine rebuilds requiring matched piston and ring dimensions
• Combustion sealing issues in compatible Ford, Mercury, and Lincoln engines

Installation Notes and Tips

Verify bore diameter, ring thickness, and crown style before assembly. Several listed applications note use with PR1141, and some fitments specify a 1.608 inch deep-dish configuration. Confirm the exact engine code and rebuild requirements against the vehicle application before installation. Professional machine work, piston-to-wall clearance checks, and ring gap measurement are recommended during engine assembly.

Quality Assurance

DJ Rock lists this piston set as premium grade and states that its engine piston sets are manufactured to meet or exceed OEM quality standards. The design uses precision-engineered components for reliable strength, heat management, and long service life in rebuild applications.

• Fits 1990-1996 Ford Bronco, N/A; Set Services Complete Engine; 1.5x1.5x4.0; w/ 1.608" Deep Dish; 1.5x1.5x4.0 Must Use w/ PR1141
• Fits 1988-1989 Ford Bronco, N/A; Set Services Complete Engine; 1.5x1.5x4.0; w/ 1.608" Deep Dish
• Fits 1987 Ford Bronco, N/A; w/ 1.608" Deep Dish
• Fits 1990-1996 Ford E-150 Econoline, N/A; Set Services Complete Engine; 1.5x1.5x4.0; w/ 1.608" Deep Dish; 1.5x1.5x4.0 Must Use w/ PR1141
• Fits 1987-1989 Ford E-150 Econoline, N/A; Set Services Complete Engine; 1.5x1.5x4.0; w/ 1.608" Deep Dish
• Fits 1990-1996 Ford E-150 Econoline Club Wagon, N/A; Set Services Complete Engine; 1.5x1.5x4.0; w/ 1.608" Deep Dish; 1.5x1.5x4.0 Must Use w/ PR1141
• Fits 1987-1989 Ford E-150 Econoline Club Wagon, N/A; Set Services Complete Engine; 1.5x1.5x4.0; w/ 1.608" Deep Dish
• Fits 1990-1991 Ford E-250 Econoline, N/A; Set Services Complete Engine; 1.5x1.5x4.0; w/ 1.608" Deep Dish; 1.5x1.5x4.0 Must Use w/ PR1141
• Fits 1988-1989 Ford E-250 Econoline, N/A; Set Services Complete Engine; 1.5x1.5x4.0; w/ 1.608" Deep Dish
• Fits 1987 Ford E-250 Econoline, N/A; w/ 1.608" Deep Dish
• Fits 1990-1996 Ford F-150, N/A; Set Services Complete Engine; 1.5x1.5x4.0; w/ 1.608" Deep Dish; 1.5x1.5x4.0 Must Use w/ PR1141
• Fits 1995 Ford F-150, N/A; Must Use w/ PR1141
• Fits 1987-1989 Ford F-150, N/A; Set Services Complete Engine; 1.5x1.5x4.0; w/ 1.608" Deep Dish
• Fits 1990-1996 Ford F-250, N/A; Set Services Complete Engine; 1.5x1.5x4.0; w/ 1.608" Deep Dish; 1.5x1.5x4.0 Must Use w/ PR1141
• Fits 1987-1989 Ford F-250, N/A; Set Services Complete Engine; 1.5x1.5x4.0; w/ 1.608" Deep Dish
• Fits 1986-1995 Ford Mustang, N/A; Set Services Complete Engine; 1.5x1.5x4.0; w/ 1.608" Deep Dish; 1.5x1.5x4.0 Must Use w/ PR1141
• Fits 1991-1993 Ford Thunderbird, N/A; Set Services Complete Engine; 1.5x1.5x4.0; w/ 1.608" Deep Dish; 1.5x1.5x4.0 Must Use w/ PR1141
• Fits 1986-1988 Ford Thunderbird, N/A; Set Services Complete Engine; 1.5x1.5x4.0; w/ 1.608" Deep Dish; 1.5x1.5x4.0 Must Use w/ PR1141
• Fits 1987-1991 Ford LTD Crown Victoria, N/A; Set Services Complete Engine; 1.5x1.5x4.0; w/ 1.608" Deep Dish; 1.5x1.5x4.0 Must Use w/ PR1141
• Fits 1986-1987 Lincoln Continental, N/A; Set Services Complete Engine; 1.5x1.5x4.0; w/ 1.608" Deep Dish; 1.5x1.5x4.0 Must Use w/ PR1141
• Fits 1986-1992 Lincoln Mark VII, N/A; Set Services Complete Engine; 1.5x1.5x4.0; w/ 1.608" Deep Dish; 1.5x1.5x4.0 Must Use w/ PR1141
• Fits 1986-1990 Lincoln Town Car, N/A; Set Services Complete Engine; 1.5x1.5x4.0; w/ 1.608" Deep Dish; 1.5x1.5x4.0 Must Use w/ PR1141
• Fits 1987-1991 Mercury Colony Park, N/A; Set Services Complete Engine; 1.5x1.5x4.0; w/ 1.608" Deep Dish; 1.5x1.5x4.0 Must Use w/ PR1141
• Fits 1986-1991 Mercury Grand Marquis, N/A; Set Services Complete Engine; 1.5x1.5x4.0; w/ 1.608" Deep Dish; 1.5x1.5x4.0 Must Use w/ PR1141
• Fits 1986-1988 Mercury Cougar, N/A; Set Services Complete Engine; 1.5x1.5x4.0; w/ 1.608" Deep Dish; 1.5x1.5x4.0 Must Use w/ PR1141
• Fits 1991-1993 Mercury Cougar, N/A; Set Services Complete Engine; 1.5x1.5x4.0; w/ 1.608" Deep Dish; 1.5x1.5x4.0 Must Use w/ PR1141
• Fits 1986 Mercury Capri, N/A; Set Services Complete Engine; 1.5x1.5x4.0; w/ 1.608" Deep Dish; 1.5x1.5x4.0 Must Use w/ PR1141