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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.
Showing In Stock Items. Show All 595 Items.
VALVE TRAIN, ROLLER ROCKER ARM REBUILD KIT
Part Number: SSY-900-1087
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Race Series, Hydraulic Roller Lifter Style, Standard Diameter, Harley-Davidson®, Evolution, Feuling, Set of 4
Part Number: FEU-4062
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
ProX Countershaft Seal Kit YFZ350 Banshee '87-06
Part Number: PXR-26-640032
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Camshaft Install Kit, Quick-Change, Gaskets, Bearings, Retaining Plate, O-Rings, For Gear Drive, Feuling, Kit
Part Number: FEU-2070
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
ProX Countershaft Seal Kit KX450F '06-22 + KLX450R '08-21
Part Number: PXR-26-640011
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
ProX Countershaft Seal Kit KX250 '91-08
Part Number: PXR-26-640015
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
ProX Countershaft Seal Kit RM250 '03-12 + RM-Z250 '13-22
Part Number: PXR-26-640028
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Race Series Lifters, Mechanical Roller Lifter Style, 0.842 in. OD, Buell, Harley-Davidson®, Feuling, Set of 4
Part Number: FEU-4055
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Race Series Lifters, Hydraulic Roller Lifter Style, 0.844 in. OD, Buell, Harley-Davidson®, Feuling, Set of 4
Part Number: FEU-4052
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
ProX Countershaft Seal Kit KDX200 '98-06 + KDX220 '97-05
Part Number: PXR-26-640036
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
ProX Countershaft Seal Kit KTM125/150SX '16-22
Part Number: PXR-26-640045
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
ProX Countershaft Seal Kit RM250 '89-02 + RMX250 '89-00
Part Number: PXR-26-640027
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
ProX Countershaft Seal Kit YZ250F '14-22 + WR250F '15-22
Part Number: PXR-26-640044
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
ProX Countershaft Seal Kit KTM250SX'03-16 + 250/300EXC'04-16
Part Number: PXR-26-640003
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Race Series, Hydraulic Roller Lifter Style, 0.843 in. OD, Buell, Harley-Davidson®, Feuling, Set of 4
Part Number: FEU-4051
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
ProX Countershaft Seal Kit YZ/WR400F/426F/450F '98-22
Part Number: PXR-26-640019
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
ProX Countershaft Seal Kit KX60/65/80/85/100 '83-04
Part Number: PXR-26-640018
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
ProX Countershaft Seal Kit KX125 '94-08
Part Number: PXR-26-640016
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
ProX Countershaft Seal Kit RM125 '92-03
Part Number: PXR-26-640029
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
ProX Countershaft Seal Kit KTM85SX '03-22 + Husq TC85 '14-22
Part Number: PXR-26-640005
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
ProX Countershaft Seal Kit CR125 '86-03
Part Number: PXR-26-640010
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
ProX Countershaft Seal Kit KX250F '06-13
Part Number: PXR-26-640012
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
ProX Countershaft Seal Kit YZ250F '01-13 + WR250F '01-14
Part Number: PXR-26-640020
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
HP+ Lifters, Hydraulic Roller Lifter Style, 0.842 in. OD, Harley-Davidson®, Feuling Parts, Set of 4
Part Number: FEU-4061
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
HP+ Lifters, Hydraulic Roller Lifter Style, 0.842 in. OD, Buell, Harley-Davidson®, Feuling Parts, Set of 4
Part Number: FEU-4025
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
