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Engines & Components

Engines & Engine Parts

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.

Individual Parts

Results 1 - 25 of 162

Valve Springs, Triple, 1.645 in. Outside Diameter, 686 lbs./in. Rate, 1.130 in. Coil Bind Height, Set of 16

Part Number: CCA-948-16

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Idler Pulleys, Serpentine, 6-groove, Plastic, Black, Mercedes-Benz, Each

Part Number: RNB-419-686

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Valve Spring Retainers, Chromoly Steel, 10 Degree, Dual spring +.050, 1.550 in. O.D., .686 in. I.D., Set of 16

Part Number: TFS-41400423

Not Yet Reviewed

Estimated Ship Date: Today

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Valve Spring Retainers, Chromoly Steel, 10 Degree, Dual spring +.050, 1.550 in. O.D., .686 in. I.D., Each

Part Number: TFS-41400423-1

Not Yet Reviewed

Estimated Ship Date: Today

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Valve Spring, Triple, 1.680 in. Outside Diameter, 686 lbs./in. Rate, 1.130 in. Coil Bind Height, Each

Part Number: CCA-26082-1

Not Yet Reviewed

Estimated Ship Date: Sep 29, 2025 if ordered today

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Estimated Ship Date: Sep 29, 2025 if ordered today

Camshaft, Mechanical Flat Tappet, Advertised Duration 290/304, Lift .540/.534, Chevy, Small Block, Each

Part Number: CCA-12-686-47

Not Yet Reviewed

Estimated Ship Date: Sep 24, 2025 if ordered today

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Estimated Ship Date: Sep 24, 2025 if ordered today

Valve Spring, Triple, 1.645 in. Outside Diameter, 686 lbs./in. Rate, 1.130 in. Coil Bind Height, Each

Part Number: CCA-948-1

Not Yet Reviewed

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Camshaft, Solid Roller Tappet, Adv. Duration 300/306, Lift .686/.696, Chrysler, 350-440, Each

Part Number: CRO-32415

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

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Estimated Ship Date: Sep 4, 2025 if ordered today

Valve Springs, Triple, 1.680 in. Outside Diameter, 686 lbs./in. Rate, 1.130 in. Coil Bind Height, Set of 16

Part Number: CCA-26082-16

Not Yet Reviewed

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Valve Springs, Triple, 1.680 in. Outside Diameter, 686 lbs./in. Rate, 1.130 in. Coil Bind Height, Set of 12

Part Number: CCA-26082-12

Not Yet Reviewed

Estimated Ship Date: Sep 17, 2025 if ordered today

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Estimated Ship Date: Sep 17, 2025 if ordered today

Camshaft, Mechanical Roller Tappet, Advertised Duration 320/320, Lift .686/.686, Chevy, Big Block, Each

Part Number: ISK-396686

Not Yet Reviewed

Estimated Ship Date: Sep 2, 2025 if ordered today

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Estimated Ship Date: Sep 2, 2025 if ordered today

Camshaft, Mechanical Roller Tappet, Advertised Duration 320/330, Lift .686/.654, Chevy, Big Block, Each

Part Number: ISK-396688

Not Yet Reviewed

Estimated Ship Date: Sep 2, 2025 if ordered today

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Estimated Ship Date: Sep 2, 2025 if ordered today

Engine Variable Valve Timing Sprocket

Part Number: SMP-VVT686

Not Yet Reviewed

Estimated Ship Date: Aug 21, 2025 if ordered today

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Estimated Ship Date: Aug 21, 2025 if ordered today

Piston Wrist Pin, Powersports, Straight, Steel, 16.00mm Diameter, 41.500mm Length, Each

Part Number: WIS-S686

Not Yet Reviewed

Estimated Ship Date: Sep 3, 2025 if ordered today

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Estimated Ship Date: Sep 3, 2025 if ordered today

Piston Pin, Steel, DLC Coated, Straight, 16.0mm x 41.50mm, Each

Part Number: WIS-S686C

Not Yet Reviewed

Estimated Ship Date: Sep 3, 2025 if ordered today

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Estimated Ship Date: Sep 3, 2025 if ordered today

Engine Piston Set, Engine Piston Set, Toyota 3TC, 86.25mm Bore

Part Number: WIS-K686M8625

Not Yet Reviewed

Estimated Ship Date: Sep 3, 2025 if ordered today

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Estimated Ship Date: Sep 3, 2025 if ordered today

Piston and Ring Kits, Premium, Forged 4032 Aluminum, 4.040 in. Bore, 3.000 in. Stroke, Dome, Ford, Boss, Set of 8

Part Number: UEM-IC686KTD040

Not Yet Reviewed

Estimated Ship Date: Sep 8, 2025 if ordered today

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Estimated Ship Date: Sep 8, 2025 if ordered today

Pistons, Premium, Forged 4032 Aluminum, 4.020 in. Bore, 3.000 in. Stroke, Dome, Ford, Boss, Set of 8

Part Number: UEM-IC686-020

Not Yet Reviewed

Estimated Ship Date: Sep 8, 2025 if ordered today

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Estimated Ship Date: Sep 8, 2025 if ordered today

Piston and Ring Kits, Premium, Forged 4032 Aluminum, 4.020 in. Bore, 3.000 in. Stroke, Dome, Ford, Boss, Set of 8

Part Number: UEM-IC686KTD020

Not Yet Reviewed

Estimated Ship Date: Sep 8, 2025 if ordered today

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Estimated Ship Date: Sep 8, 2025 if ordered today

CAM SPROCKET

Part Number: CLO-S686

Not Yet Reviewed

Estimated Ship Date: Aug 18, 2025 if ordered today

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Estimated Ship Date: Aug 18, 2025 if ordered today

Washer

Part Number: MCH-S686

Not Yet Reviewed

Estimated Ship Date: Sep 8, 2025 if ordered today

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Estimated Ship Date: Sep 8, 2025 if ordered today

CONN. ROD BEARING SET

Part Number: CLE-CB686P

Not Yet Reviewed

Estimated Ship Date: Sep 8, 2025 if ordered today

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Estimated Ship Date: Sep 8, 2025 if ordered today

CONN. ROD BEARING SET

Part Number: CLE-CB686P10

Not Yet Reviewed

Estimated Ship Date: Sep 8, 2025 if ordered today

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Estimated Ship Date: Sep 8, 2025 if ordered today

CONN. ROD BEARING SET

Part Number: CLE-CB686P20

Not Yet Reviewed

Estimated Ship Date: Sep 8, 2025 if ordered today

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Estimated Ship Date: Sep 8, 2025 if ordered today

SPROCKET-CAM

Part Number: MEL-S686

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Estimated Ship Date: Tomorrow if ordered today

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