Engines & Components
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Engines & Engine Parts
Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched...
Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched top end kits, and complete rotating assemblies from the biggest names in the industry. You can add a set of high-flow cylinder heads to your powerplant, upgrade your valvetrain, improve your oiling system, or drop in a new set of pistons. We also have a complete selection of crankshafts, connecting rods, harmonic balancers, pulleys, and engine brackets. We even have everything you need to restore the horsepower that time has stolen from your...
Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched top end kits, and complete rotating assemblies from the biggest names in the industry. You can add a set of high-flow cylinder heads to your powerplant, upgrade your valvetrain, improve your oiling system, or drop in a new set of pistons. We also have a complete selection of crankshafts, connecting rods, harmonic balancers, pulleys, and engine brackets. We even have everything you need to restore the horsepower that time has stolen from your daily driver.
Piston Rings, Plasma-moly, 4.030 in. Bore, 1/16 in. 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: JEP-S100S8-40305
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Piston Rings, Plasma-moly, 4.500 in. Bore, 1/16 in. 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: JEP-S100S8-45005
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Piston Rings, Plasma-moly, 4.350 in. Bore, 1/16 in. 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: JEP-S100S84350-5
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Wrist Pin Retainer, Spiral, 1.081 in. Diameter, .042 in. Thick, Each
Part Number: JEP-990-042-CS
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Piston Rings, Premium Race Series, Plasma-moly, 4.600 in. Bore, 0.043 in., 0.043 in., 3.0mm Thickness, V8, Set
Part Number: JEP-JG770846005
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Piston Rings, Plasma-moly, 4.310 in. Bore, 1/16 in. 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: JEP-S100S8-43105
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Wrist Pin Retainer, Spiral, 1.017 in. Diameter, .042 in. Thick, Each
Part Number: JEP-927042CS
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Piston Rings, Plasma-moly, 4.280 in. Bore, 1/16 in. 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: JEP-S100S8-42805
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Oil Ring Support Rail, 4.030-4.059 in. Bore, Spring Steel, Each
Part Number: JEP-4030-183
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Piston Rings, Plasma-moly, 4.040 in. Bore, 1/16 in. 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: JEP-S100S8-40405
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Piston Rings, Gas Nitrided, 4.030 in. Bore, 1.2mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set
Part Number: JEP-JG31F840302
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Piston Rings, Plasma-moly, 4.155 in. Bore, 1/16 in. 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: JEP-S100S841555
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Piston Rings, Gas Nitrided, 4.070 in. Bore, 1.2mm, 1.5mm, 3.0mm, 8-Cylinder, Set
Part Number: JEP-JG31F8-40700
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Wrist Pin Lock Ring, Wire Lock, Chrome Silicon Steel, .827 Pin Diameter, Each
Part Number: JEP-827-063-MW
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Piston Rings, Plasma-moly, 4.125 in. Bore, 1/16 in, 1/16 in. 3/16 in. Thickness, 8-Cylinder, Set
Part Number: JEP-J10008-41255
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Wrist Pin Retainer, Wire Lock, 0.927 in. Diameter, .073 in. Thick, Each
Part Number: JEP-927-073-MW
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Oil Ring Support Rail, 4.500-4.529 in. Bore, Spring Steel, Each
Part Number: JEP-4500-203
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Piston Rings, Plasma-moly, 4.310 in. Bore, 1/16 in, 1/16 in. 3/16 in. Thickness, Single Piston, Set
Part Number: JEP-J100F1-43105
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Wrist Pin Retainer, Spiral, 0.927 in. Diameter, .073 in. Thick, Each
Part Number: JEP-927-073-AS
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Wrist Pin Retainer, Wire Lock, 0.990 in. Diameter, .073 in. Thick, Each
Part Number: JEP-990-073-MW
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Piston Rings, Premium Race Series, Gas Nitrided, 3.905 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set
Part Number: JEP-JG6008-3905
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Piston Rings, Gas Nitrided, 4.000 in. Bore, 1.2mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set
Part Number: JEP-JG310840007
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Piston Rings, Pro Seal, Gas Nitrided, 4.610 in. Bore, File Fit, 0.043 in., 0.043 in., 3.0mm Thickness, V8, Set
Part Number: JEP-JG770846105
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Piston Rings, Plasma-moly, 4.610 in. Bore, 1/16 in, 1/16 in. 3/16 in. Thickness, 8-Cylinder, Set
Part Number: JEP-J100H8-46105
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Wrist Pin Retainer, Spiro Lock, Stainless Steel, 0.927 in. Diameter, 0.042 in. Lock Thickness, Each
Part Number: JEP-927-042-SS
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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