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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S&S Cycle 883 to 1200cc Hooligan Cylinder Kits 910-0700

S&S Cycle 00-21 Sportster Models 883cc to 1200cc Hooligan Kit - Silver

Part Number: SSY-910-0700

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

S&S Cycle 1200cc to 1250cc Hooligan Cylinder Kits 910-0701

S&S Cycle 00-21 Sportster Models 1200cc to 1250cc Hooligan Kit - Wrinkle Black

Part Number: SSY-910-0701

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

Pro-X Racing Parts Piston Pin Bearings 21.5808

ProX Piston Pin Bearing 21x27x24.8

Part Number: PXR-21-5808

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Pro-X Racing Parts Piston Kits 01.5913.A

ProX Piston Kit Polaris RZR900/1000 '14-21 (92.95mm)

Part Number: PXR-01-5913-A

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Pro-X Racing Parts Piston Kits 01.5913.C

ProX Piston Kit Polaris RZR900/1000 '14-21 (92.97mm)

Part Number: PXR-01-5913-C

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

WIX Filters Oil Filters 51515

Oil Filter, Replacement, 21 Micron, 5.197 in. Tall, 3.661 in. OD, 3/4-16 in. Thread, Each

Part Number: WIX-51515

4.95 out of 5 stars ( 38 )

Estimated Ship Date: Today

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WIX Filters Oil Filters 57356

Oil Filter, Canister Style, 21 microns, for use on Acura®, for use on Honda®, Hyundai, Infiniti, Mazda, Nissan

Part Number: WIX-57356

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Pro-X Racing Parts Piston Kits 01.5913.B

ProX Piston Kit Polaris RZR900/1000 '14-21 (92.96mm)

Part Number: PXR-01-5913-B

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

WIX Filters Oil Filters 51085

Oil Filter, Replacement, 21 Micron, 3.836 in. Tall, 3.660 in. OD, 3/4-16 in. Thread, Each

Part Number: WIX-51085

5.0 out of 5 stars ( 15 )

Estimated Ship Date: Today

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WIX Filters Oil Filters 51522

Oil Filter, Replacement, 21 Micron, 4.526 in. Tall, 2.921 in. OD, 13/16-16 in. Thread, Each

Part Number: WIX-51522

4.64 out of 5 stars ( 14 )

Estimated Ship Date: Today

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WIX Filters Oil Filters 51372

Oil Filter, Replacement, 21 Micron, 3.836 in. Tall, 3.668 in. OD, 22mm x 1.5 Thread, Each

Part Number: WIX-51372

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Today

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WIX Filters Oil Filters 51794

Oil Filter, Replacement, Canister, 21 Microns, 13/16-16 in. Thread, Gasket 3.444 in. O.D. 3.100 in. I.D., Each

Part Number: WIX-51794

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Today

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WIX Filters Oil Filters 51040

Oil Filter, Replacement, 21 Micron, 3.404 in. Tall, 2.921 in. OD, 18mm x 1.5 Thread, AMC, GM, Each

Part Number: WIX-51040

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Melling Stock Replacement Camshafts SYB-21

Piston, Cast, Flat, 3.130 in. Bore, 3/32 in., 3/32 in., 5/32 in., 5/32 in. Ring Grooves, L6, Each

Part Number: UEM-S2103-STD

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

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Silv-O-Lite Cast Pistons S2103.060

Piston, Cast, Flat, 3.190 in. Bore, 3/32 in., 3/32 in., 5/32 in., 5/32 in. Ring Grooves, L6, Each

Part Number: UEM-S2103-060

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

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Silv-O-Lite Cast Pistons S2103.020

Piston, Cast, Flat, 3.150 in. Bore, 3/32 in., 3/32 in., 5/32 in., 5/32 in. Ring Grooves, L6, Each

Part Number: UEM-S2103-020

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

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WIX Filters Oil Filters 51334

Oil Filter, Replacement, Each

Part Number: WIX-51334

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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WIX Filters Oil Filters 51358

Oil Filter, Replacement, Each

Part Number: WIX-51358

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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K&N Performance Gold Oil Filters HP-2009

Oil Filter, Performance Gold, Canister, 5.06 in. Tall, 3.00 in. Diameter, 3/4 in.-16 Thread, Bypass Relief, 8-11 psi, Anti-Drainback, Spin-On, Each

Part Number: KNN-HP-2009

4.88 out of 5 stars ( 8 )

Estimated Ship Date: Today

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