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 1784

Chevrolet Performance LT4 Hot Cam Hydraulic Roller Camshafts 24502586

Camshaft, Hydraulic Roller Tappet, Duration at .050 in. 218/228, Lift .525/.525 w/1.6 ratio, .492/.492 w/1.5, Chevy, 5.7L, LT1, Each

Part Number: NAL-24502586

4.9 out of 5 stars ( 21 )

Estimated Ship Date: Today

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Ford Performance Parts Hot Rod Camshafts M-6550-3V

Camshaft, Hydraulic Roller Follower, Duration @ .050 in. 221/240, Ford, 4.6L, 5.4L 3V, Set

Part Number: FMS-M-6550-3V

5.0 out of 5 stars ( 11 )

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PAC Racing 1900 Series Hot Rod Valve Springs PAC-1924-16

Valve Springs, 1900 Series Hot Rod, Dual, 1.540 in. O.D., 431 lbs./in. Rate, 1.125 in. Coil Bind Height, Set of 16

Part Number: RSC-PAC-1924-16

Not Yet Reviewed

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Chevrolet Performance Gen 3 Hot Cam Kits 19355738

Cam and Valvetrain, Hydraulic Roller, Duration at .050 in. 218/227, Lift .525/.525, Chevy, 5.7L, LS1

Part Number: NAL-19355738

1.0 out of 5 stars ( 1 )

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Hot Cams Valve Shims 68-2073

Valve Shims, 7.48mm Diameter, 1.20mm - 3.50mm Thickness, for use on Honda®, Kawasaki, Suzuki, Yamaha, Kit

Part Number: HCP-HCSHIM01

3.0 out of 5 stars ( 2 )

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PAC Racing 1900 Series Hot Rod Valve Springs PAC-1900-16

Valve Springs, 1900 Series Hot Rod, Single, 1.500 in. O.D., 376 lbs/in. Rate, 1.115 in. Coil Bind Height, Set of 16

Part Number: RSC-PAC-1900-16

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Hot Cams Refill Shim Packages 68-748165

Valve Shims, 1.65mm Thickness, 7.48mm Diameter, for use on Honda®, Kawasaki, Suzuki, Yamaha, Set of 5

Part Number: HCP-5PK748165

5.0 out of 5 stars ( 1 )

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Hot Shot's Secret Replacement Frantz Synthetic Filter Medias FFMD-SYN

Filter Element, Replacement Frantz Filter, Polypropylene, 2 Micron, Each

Part Number: HOS-FFMD-SYN

Not Yet Reviewed

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Hot Cams Drop-In Performance Camshafts for 2007-2026 CRF150R, CRF150R EXPERT - 68-2006

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

Part Number: HCP-1079-1

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

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Estimated Ship Date: May 13, 2026 if ordered today

Hot Cams Refill Shim Packages 68-748175

Valve Shims, 1.75mm Thickness, 7.48mm Diameter, for use on Honda®, Kawasaki, Suzuki, Yamaha, Set of 5

Part Number: HCP-5PK748175

Not Yet Reviewed

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Hot Rods Complete Bottom End Rebuild Kits for 1992-2001 CR250R - CBK0040

Gasket Kit BOTTOM END KIT BOTTOM END KIT

Part Number: HRI-CBK0040

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

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Estimated Ship Date: May 13, 2026 if ordered today

PAC Racing 1900 Series Hot Rod Valve Springs PAC-1901-16

Valve Springs, 1900 Series Hot Rod, Dual, 1.540 in. O.D., 492 lbs./in. Rate, 1.130 in. Coil Bind Height, Set of 16

Part Number: RSC-PAC-1901-16

Not Yet Reviewed

Estimated Ship Date: Jun 24, 2026 if ordered today

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Estimated Ship Date: Jun 24, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

PAC Racing Hot Rod Series Valve Springs PAC-1901

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Hot Cams Refill Shim Packages 68-948260

Valve Shims, 2.60mm Thickness, 9.48mm Diameter, for use on Honda®, Arctic Cat, Kawasaki, Suzuki, Yamaha, Set of 5

Part Number: HCP-5PK948260

Not Yet Reviewed

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Hot Cams Refill Shim Packages 68-748160

Valve Shims, 1.60mm Thickness, 7.48mm Diameter, for use on Honda®, Kawasaki, Suzuki, Yamaha, Set of 5

Part Number: HCP-5PK748160

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Hot Rods Complete Bottom End Rebuild Kits for 2013-2015 RMZ250 - CBK0225

Rebuild Kit, Complete Bottom End, Suzuki, Kit

Part Number: HRI-CBK0225

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

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Estimated Ship Date: May 13, 2026 if ordered today

Hot Rods Complete Bottom End Rebuild Kits for 1992-2002 CR80R, 1996-2002 CR80RB EXPERT - CBK0001

Rebuild Kit, Complete Bottom End, for use on Honda®, Kit

Part Number: HRI-CBK0001

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

Hot Cams Drop-In Performance Camshafts 68-2011

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

Part Number: HCP-1024-2

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

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Estimated Ship Date: May 13, 2026 if ordered today

PAC Racing 1900 Series Hot Rod Valve Spring Kits PAC-KS15

Valve Springs, 1900 Series Hot Rod, Dual, 1.290 in. O.D., Chromoly Steel Retainers, 7 degree Locks, Kit

Part Number: RSC-PAC-KS15

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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PAC Racing 1900 Series Hot Rod Valve Springs PAC-1905-16

Valve Springs, 1900 Series Hot Rod, Dual, 1.304 in. O.D., 392 lbs./in. Rate, 1.020 in. Coil Bind Height, Set of 16

Part Number: RSC-PAC-1905-16

Not Yet Reviewed

Estimated Ship Date: Jun 23, 2026 if ordered today

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Estimated Ship Date: Jun 23, 2026 if ordered today

Hot Rods Counterbalance Bearing Kits BBK0024

Counter Balancer Bearing COUNTER BALANCER BEARING KIT COUNTER BALANCER BEARING KIT

Part Number: HRI-BBK0024

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

Hot Cams Drop-In Performance Camshafts for 2008-2009 TRX700XX - 68-2100

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

Part Number: HCP-1134-1

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

Hot Rods Complete Bottom End Rebuild Kits CBK0041

Rebuild Kit, Complete Bottom End, Yamaha, YFS200 Blaster, Kit

Part Number: HRI-CBK0041

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

Hot Rods Complete Bottom End Rebuild Kits for 1999-2004 TRX400EX SPORTRAX - CBK0080

Rebuild Kit, Complete Bottom End, for use on Honda®, Kit

Part Number: HRI-CBK0080

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

Hot Rods Complete Bottom End Rebuild Kits HR00110

BOTTOM END KIT Polaris

Part Number: HRI-HR00110

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

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Estimated Ship Date: May 13, 2026 if ordered today

Hot Rods Complete Bottom End Rebuild Kits CBK0186

Gasket Kit BOTTOM END KIT BOTTOM END KIT

Part Number: HRI-CBK0186

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

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