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...

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Results 1 - 25 of 35

Wiseco 4-Stroke Piston Rings 8550XX

Piston Rings, Gas Nitrided, 85.50mm Bore, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston, Set

Part Number: WIS-8550XX

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Wiseco 4-Stroke Piston Rings for 1999-2008 TRX400EX SPORTRAX, 2009-2012 TRX400X, 1996-2004 XR400R - 8900XX

Piston Rings, Gas Nitrided, 89mm Bore, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston, Set

Part Number: WIS-8900XX

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Hot Cams Drop-In Performance Camshafts for 1999-2008 TRX400EX SPORTRAX, 2009-2014 TRX400X, 1996-2004 XR400R - 68-2012

Camshaft, Powersports, Performance, Stage 2, for use on Honda®, ATV, Motorcycle, Each

Part Number: HCP-1043-2

Not Yet Reviewed

Estimated Ship Date: Jan 28, 2026 if ordered today

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Estimated Ship Date: Jan 28, 2026 if ordered today

WIX Filters Oil Filters WIX-24944

Oil Filter, Cartridge Style, Closed Inner Top of Filter, Each

Part Number: WIX-24944

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Fram Extra Guard Oil Filters CH6015

Fram Extra Guard Oil Filters CH6015

Oil Filter, Extra Guard, Cartridge Style, Each

Part Number: FRM-CH6015

Not Yet Reviewed

Estimated Ship Date: Today

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Hot Cams Drop-In Performance Camshafts for 1999-2008 TRX400EX SPORTRAX, 2009-2014 TRX400X, 1996-2004 XR400R - 68-2019

Camshaft, Powersports, Performance, Stage 3, for use on Honda®, ATV, Motorcycle, Each

Part Number: HCP-1051-3

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

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Estimated Ship Date: Jan 27, 2026 if ordered today

BikeMaster Oil Filters 171641

Oil Filter, Cartridge, for use on Honda®, Each

Part Number: BKM-17-1641

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Twin Air Oil Filters 140002

TWIN AIR OIL FILTER

Part Number: TWA-140002

Not Yet Reviewed

Estimated Ship Date: Feb 4, 2026 if ordered today

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Estimated Ship Date: Feb 4, 2026 if ordered today

Pro-X Racing Parts Oil Filters 54.44113

Oil Filter, Cartridge Style, for use on Honda®, Gas Gas, Kawasaki, Each

Part Number: PXR-54-44113

Not Yet Reviewed

Estimated Ship Date: Feb 6, 2026 if ordered today

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Estimated Ship Date: Feb 6, 2026 if ordered today

Wiseco 4-Stroke Piston Rings 3425XC

Piston Rings, Chrome, 87.00mm Bore, for use on Honda®, Kawasaki, Yamaha, Set

Part Number: WIS-3425XC

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Namura Technologies Piston Rings for 1999-2008 TRX400EX SPORTRAX, 2009-2014 TRX400X, 1996-2004 XR400R - NA-10003R

Piston Rings, Powersports, Steel, Gas Nitrided Top, 85.00mm Bore, for use on Honda®, Kit

Part Number: NTI-NA-10003R

Not Yet Reviewed

Estimated Ship Date: Feb 3, 2026 if ordered today

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Estimated Ship Date: Feb 3, 2026 if ordered today

Hot Cams Drop-In Performance Camshafts for 1999-2008 TRX400EX SPORTRAX, 2009-2014 TRX400X, 1996-2004 XR400R - 68-2008

Camshaft, Powersports, Performance, Stage 1, for use on Honda®, ATV, Motorcycle, Each

Part Number: HCP-1007-1

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

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Estimated Ship Date: Jan 27, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1999-2008 TRX400EX SPORTRAX, 2009-2014 TRX400X, 1996-2004 XR400R - NA-10003-2K