Engines & Components
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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.
Showing In Stock Items. Show All 90 Items.
Crankshaft Assembly, +3.000mm Stroke, Forged 4140 Steel, Each
Part Number: HRI-4170
Not Yet Reviewed
Estimated Ship Date: Jan 28, 2026 if ordered today
Estimated Ship Date: Jan 28, 2026 if ordered today
Piston Rings, 4.165 in. Bore, 1.0mm, 1.0mm, 2.0mm Thickness, 8-Cylinder, Set
Part Number: MLE-4170MS-112
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Performance Series, 4.165 in. Bore, File Fit, 0.043 in., 0.043 in., 3.0mm, 8-Cylinder, Set
Part Number: MLE-4170ML-043
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Performance Series, 4.165 in. Bore, File Fit, 1.5mm, 1.5mm, 3.0mm, 8-Cylinder, Set
Part Number: MLE-4170MS-15
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Performance Series, 4.165 in. Bore, File Fit, 1/16 in., 1/16 in., 3/16 in., 8-Cylinder, Set
Part Number: MLE-4170ML
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Performance Series, 4.165 in. Bore, File Fit, 1/16 in., 1/16 in., 3/16 in., 8-Cylinder, Set
Part Number: MLE-4170MS
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
Piston Rings, Premium Piston Ring Sets, Plasma-moly, 3.968 in. Bore, 3/32 in., 5/64 in., 3/16 in. Thickness, V8, Set
Part Number: MAH-41706030
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Piston Rings, Premium Piston Ring Sets, Plasma-moly, 3.938 in. Bore, 3/32 in., 5/64 in., 3/16 in. Thickness, V8, Set
Part Number: MAH-41706
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Valve, Black Diamond, Exhaust, Stainless Steel, Harley-Davidson®, Each
Part Number: KPM-20-4170
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
-10cc Dish Top FE Ford Forged 4032
Part Number: DMS-1-5021-4170
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
-20cc Dish Top FE Ford Forged 4032
Part Number: DMS-1-5025-4170
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
Piston Set, 442 FE 1-FX Series -5cc FE Flat Top Piston Set. 4.170 bore
Part Number: DMS-1-5060-4170
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
Piston Set, 428 FE K2-FX Series -5cc FE Flat Top Piston Set. 4.170 bore
Part Number: DMS-K2-5020-4170
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
-10cc Dish Top FE Ford Forged 2618
Part Number: DMS-K2-5021-4170
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
-20cc Dish Top FE Ford Forged 2618
Part Number: DMS-K2-5025-4170
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
Piston Set, 442 FE K2-FX Series -5cc FE Flat Top Piston Set. 4.170 bore
Part Number: DMS-K2-5060-4170
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
-16cc Dish Top FE Ford Forged 2618
Part Number: DMS-K2-5064-4170
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
-24cc Dish Top FE Ford Forged 2618
Part Number: DMS-K2-5066-4170
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
Piston Set, 455 FE K2-FX Series -5cc FE Flat Top Piston Set. 4.170 bore
Part Number: DMS-K2-5070-4170
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
Piston Set, 428 FE K3-FX Series -5cc FE Flat Top Piston Set. 4.170 bore
Part Number: DMS-K3-5020-4170
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
-16cc Dish Top FE Ford Forged 2618
Part Number: DMS-K2-5074-4170
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
-28cc Dish Top FE Ford Forged 2618
Part Number: DMS-K2-5077-4170
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
-10cc Dish Top FE Ford Forged 2618
Part Number: DMS-K3-5021-4170
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
-20cc Dish Top FE Ford Forged 2618
Part Number: DMS-K3-5025-4170
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
Piston Set, 455 FE K3-FX Series -5cc FE Flat Top Piston Set. 4.170 bore
Part Number: DMS-K3-5070-4170
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
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