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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Trick Flow® Steel Valve Spring Retainers TFS-41400423

Trick Flow® Steel Valve Spring Retainers TFS-41400423

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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COMP Cams Valve Springs 26082-1

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: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

Dorman Idler Pulleys 419-686

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

Part Number: RNB-419-686

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Trick Flow® Steel Valve Spring Retainers TFS-41400423-1

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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Wiseco Powersports Piston Wrist Pins S686C

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

Part Number: WIS-S686C

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

Cloyes Gear - Timing Gears for 1989-1990 PULSAR NX, SENTRA - S686

CAM SPROCKET

Part Number: CLO-S686

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today

ICON Premium Forged Piston and Ring Kits IC686KTD.030

Piston and Ring Kits, Premium, Forged 4032 Aluminum, 4.030 in. Bore, 3.000 in. Stroke, Dome, Ford, Boss, Set of 8

Part Number: UEM-IC686KTD030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Wiseco Pistons K686M8625

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

Part Number: WIS-K686M8625

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

Wiseco Powersports Piston Wrist Pins S686

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

Part Number: WIS-S686

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

ICON Premium Forged Piston and Ring Kits IC686KTD.040

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: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Standard Motor Engine Variable Timing Sprockets for 2017-2018 86 - VVT686

Camshaft Phaser, Engine Variable Timing Sprocket, Toyota, Intake (Left), 2.0L, Each

Part Number: SMP-VVT686

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Mr. Gasket Cast Aluminum Valve Covers 6861G

Valve Cover Set, Cast Aluminum, Polished, Ford, Pair

Part Number: MRG-6861G

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Moroso Extra Long Valve Cover Wing Nuts 68630

Valve Cover Wing Nuts, Extra Long, 5/16 in.-18, 1 3/8 in. Long Studs, Chrome, Set of 4

Part Number: MOR-68630

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Mr. Gasket Aluminum Valve Covers 6860G

Valve Covers, Perimeter Bolt Mounting, Fabricated Aluminum, Natural, Chrysler, Dodge, Small Block, Pair

Part Number: MRG-6860G

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Moroso Extra Long Valve Cover Wing Nuts 68610

Valve Cover Wing Nuts, Extra Long, 1/4-20 Thread, 4 in. Long, Chrome, Set of 4

Part Number: MOR-68610

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Mr. Gasket Aluminum Valve Covers 6861BG

Valve Covers, Perimeter Bolt, Stock Height, Fabricated Aluminum, Black Powdercoated, Baffled, Chrysler, Dodge, Plymouth, Small Block, Pair

Part Number: MRG-6861BG

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Moroso Valve Cover Stud Kits 68640

Valve Cover Wing Nuts, Extra Long, 1/4 in.-20, 1 3/8 in. Long Studs, Chrome, Set of 4

Part Number: MOR-68640

Not Yet Reviewed

Estimated Ship Date: Today

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Moroso Extra Long Valve Cover Wing Nuts 68603

Valve Cover Wing Nuts, Aluminum, Black Powdercoated, Extra Long, 1/ 4 in.-20 Thread , Set of 4

Part Number: MOR-68603

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Moroso Oil Filler Caps 68660

Oil Fill Cap, Steel, Round, Chrome, Push-In, Universal, Each

Part Number: MOR-68660

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Mr. Gasket Aluminum Valve Covers 6862G

Valve Covers, Fabricated, Aluminum, Natural, Stock Height, Chrysler, Dodge, Plymouth, Big Block, Pair

Part Number: MRG-6862G

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Mr. Gasket Aluminum Valve Covers 6864G

Valve Covers, Tall, Fabricated Aluminum, Natural, Chrysler, Dodge, Plymouth, Big Block, Pair

Part Number: MRG-6864G

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Moroso Extra Long Valve Cover Wing Nuts 68621

Valve Cover Wing Nuts, Aluminum, Black Powdercoated, 5/16-18 Thread, 1 3/8 in. Long, Set of 4

Part Number: MOR-68621

3.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Stef's Fabrication Valve Cover Grommets 68670

VALVE COVER GROMMETS

Part Number: STF-68670

Not Yet Reviewed

Estimated Ship Date: Today

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Moroso Extra Long Valve Cover Wing Nuts 68604

Valve Cover Wing Nuts, Aluminum, Blue Powdercoated, Extra Long, 1/ 4 in.-20 Thread , Set of 4

Part Number: MOR-68604

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Hastings Piston Ring Sets 6861020

Engine Piston Ring Set, 4-Cyl Ring Set; Phosphate

Part Number: HSN-6861020

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

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