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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Eagle Forged 4140 Steel Crankshafts 534640006100

Crankshaft, 4140 Steel, Forged, 4.000 in. Stroke, Chevy LS1, 24-Tooth Reluctor, Each

Part Number: ESP-534640006100

Not Yet Reviewed

Estimated Ship Date: Today

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Eagle Forged 4140 Steel Crankshafts 545442526385

Crankshaft, 2-Piece Seal, Internal Balance, 4140 Forged, 4.25 in. Stroke, Chevrolet, Each

Part Number: ESP-545442526385

Not Yet Reviewed

Estimated Ship Date: Today

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Eagle Forged 4140 Steel Crankshafts 534740006100

Crankshaft, 1-Piece Seal, Internal Balance, Forged 4140 Steel, 4.000 in. Stroke, 58-Tooth Reluctor, Chevy, LS, Each

Part Number: ESP-534740006100

Not Yet Reviewed

Estimated Ship Date: Today

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Eagle Forged 4140 Steel Crankshafts 534636226100

Crankshaft, One-piece Seal, Internal Balance, Forged 4140 Steel, 3.622 in. Stroke, 6.100 in. Rod Length, Chevrolet, Small Block LS, Each

Part Number: ESP-534636226100

Not Yet Reviewed

Estimated Ship Date: Today

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Eagle Forged 4140 Steel Crankshafts 523136255967

Crankshaft, Internal Balance, Forged 4140 Steel, 3.625 in. Stroke, Buick, 3.8L, Each

Part Number: ESP-523136255967

Not Yet Reviewed

Estimated Ship Date: Feb 6, 2026 if ordered today

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Estimated Ship Date: Feb 6, 2026 if ordered today

Isky 4140 Chromoly Split Valve Locks VL101132

Valve Locks, Machined, Chromoly, 10 Degree, 1-Groove, 11/32 in. Valve Stem, Set of 32

Part Number: ISK-VL-10-11-32

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Edelbrock Classic Cast Aluminum Valve Covers 4140

Valve Covers, Classic Series, Stock Height, Cast Aluminum, Polished, Edelbrock Logo, Chevy, Big Block W, Pair

Part Number: EDL-4140

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 27, 2026 if ordered today

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Estimated Ship Date: Jan 27, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Edelbrock Classic Cast Aluminum Valve Covers 41403

5 out of 5 stars ( 1 )

Estimated Ship Date: Today

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D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits with XR Wrist Pins K3-6600-4140