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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COMP Cams Engine Valve Stem Oil Seals 536-16

VALVE SEAL, METAL BODY VITON 11/32" X .562

Part Number: CCA-536-16

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

Summit Racing™ Race Valves for Chevrolet SUM-V8002-8

Valves, Intake, Stainless Steel, 2.020 in. Diameter, .341 in. Stem, 4.911 in. Length, Chevy, Set of 8

Part Number: SUM-V8002-8

4.75 out of 5 stars ( 12 )

Estimated Ship Date: Tomorrow

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MAHLE Original Engine Valve Stem Oil Seals SS46144

Engine Valve Stem Oil Seal Set, 20-16 Land Rover Discovery, Range Rover, Range Rover Sport, 3.0L

Part Number: MAH-SS46144

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

Engine Works LS Series Valves 218155P

Valves, LS Series, Exhaust, Stainless, 1.550 in. Diameter, 0.314 in. Stem, 4.915 in. Long, 1-Groove, Swirl Polish, Chevy, 4.8-6.0L, Each

Part Number: EW1-218155P

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Summit Racing™ Race Valves for Chevrolet SUM-V8022-8

Valves, Intake, Stainless Steel, 2.190 in. Diameter, .371 in. Stem, 5.218 in. Length, Chevy, Set of 8

Part Number: SUM-V8022-8

4.4 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Manley Severe Duty Series Stainless Steel Valves 11843-8

Valves, Exhaust, Stainless Steel, 1.880 in. Diameter, .341 in. Stem, 5.422 in. Length, Chevy, Set of 8

Part Number: MAN-11843-8

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Manley Race Series Stainless Steel Valves 11360-8

Valves, Intake, Stainless Steel, 2.000 in. Diameter, .313 in. Stem, 4.874 in. Length, Chevy, Set of 8

Part Number: MAN-11360-8

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Melling Valves V1192

Valve, Exhaust, Flat Head, Steel, 1.500 in. Diameter, 0.342 in. Stem, 4.928 in. Length, Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: MEL-V1192

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Melling Valves V1328

Valve, Intake, Dished Head, Steel, 1.782 in. Diameter, 0.342 in. Stem, 5.070 in. Overall Length, Ford, Lincoln, Mercury, Each

Part Number: MEL-V1328

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Melling Valves V1269

Valve, Exhaust, Steel, 1.655 in. Diameter, 0.342 in. Stem, 5.052 in. Overall Length, Ford, Mercury, 351C, 351M, 400, Each

Part Number: MEL-V1269

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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AFR Enforcer Valve Seals 6614

Valve Stem Oil Seal, Positive Stop, Viton® Rubber, 8.74mm Stem Diameter, 0.513 in, Guide Diameter, 0.675 in. O.D., Each

Part Number: AFR-6614

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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BTR Valve Stem Seals VS LT KIT

Valve Stem Seals, Intake and Exhaust, 0.552 in. ID, 0.342 in. Stem, Chevrolet, Gen II, LT-Based Engine, Set of 16

Part Number: BTC-VSLTKIT

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Manley Budget Series Performance Valves 10576-8

Valves, Intake, Stainless Steel, 1.940 in. Diameter, .341 in. Stem, 4.911 in. Length, Chevy, Set of 8

Part Number: MAN-10576-8

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Brodix Cylinder Heads Super Valve Locks CC 611

Valve Locks, Machined, Steel, 10 Degree, 1-Groove, 11/32 in. Valve Stem, Each

Part Number: BRO-CC611

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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AFR Enforcer Valve Seals 6615

Valve Stem Oil Seal, Positive Stop, Viton® Rubber, 8 mm Stem Diameter, 0.490 in, Guide Diameter, 0.620 in. O.D.,

Part Number: AFR-6615

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Manley Street Flo Valves 10723-8

Valves, Exhaust, Stainless Steel, 1.465 in. Diameter, .342 in. Stem, 5.080 in. Length, Ford, Set of 8

Part Number: MAN-10723-8

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Summit Racing™ Race Valves for Chevrolet SUM-V8002-1

Valve, Intake, Stainless Steel, 2.020 in. Diameter, .341 in. Stem, 4.911 in. Length, Chevy, Each

Part Number: SUM-V8002-1

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Manley Budget Series Replacement Valves 10649-8

Valves, Exhaust, Stainless Steel, 1.600 in. Diameter, .341 in. Stem, 4.910 in. Length, Chevy, Set of 8

Part Number: MAN-10649-8

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Manley Severe Duty Series Stainless Steel Valves 11843-1

Valve, Exhaust, Stainless Steel, 1.880 in. Diameter, .341 in. Stem, 5.422 in. Length, Chevy, Each

Part Number: MAN-11843-1

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Melling Valves V3244

Valve, Intake, Steel, 2.000 in. Diameter, 0.313 in. Stem, 4.871 in. Overall Length, Cadillac, Chevrolet, GMC, Hummer, Small Block LS, Each

Part Number: MEL-V3244

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Engine Works Street Series Intake Valves 211202

Valve, Intake, Stainless Steel, 2.020 in. Diameter, .343 in. Stem, 4.880 in. Length, Chevy, Each

Part Number: EW1-211202

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Manley Race Series Stainless Steel Valves 11881-8

Valves, Exhaust, Stainless Steel, 1.880 in. Diameter, .341 in. Stem, 5.422 in. Length, Chevy, Set of 8

Part Number: MAN-11881-8

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Trick Flow® Replacement Valves TFS-52500212

Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .314 in. Stem, 5.200 in. Length, Small Ford, Each

Part Number: TFS-52500212

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Manley Severe Duty Series Stainless Steel Valves 11878-8

Valves, Intake, Stainless Steel, 2.300 in. Diameter, .341 in. Stem, 5.610 in. Length, Chevy, Set of 8

Part Number: MAN-11878-8

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Manley Street Flo Valves 10728-8

Valves, Intake, Stainless Steel, 2.190 in. Diameter, .371 in. Stem, 5.218 in. Length, Chevy, Set of 8

Part Number: MAN-10728-8

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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