Engines & Components

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, Chrysler, 413, 426, 440, Each

Part Number: ESP-444037506760

5.0 out of 5 stars ( 1 )

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Cylinder Head, Assembled, Cast Iron, OEM, Chevrolet, Duramax Diesel, V8, LB7, Each

Part Number: PPE-110100101

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Engine Rotating Assembly, Street/Strip, Cast Crank, Hypereutectic Pistons, I-Beam Rods, Chevy, 5.7L, Kit

Part Number: ESP-B15505L03053

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.250 in. Stroke, 6.385 Rod, Chevy, 454, Each

Part Number: SCA-445425L

5.0 out of 5 stars ( 1 )

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Engine Rotating Assembly, Street, Cast Crank, Pistons, I-Beam Rods, Chevy, Small Block, Kit

Part Number: ESP-B15402L00068

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 454, Each

Part Number: ESP-445440026135

3.0 out of 5 stars ( 2 )

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Crankshaft, Standard Weight, Forged 4340 Steel, 4.250 in. Stroke, Internal Balance, Chevy, 454, Each

Part Number: SCA-445425C

1.0 out of 5 stars ( 1 )

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 3.622 in. Stroke, Chevy, LS, Each

Part Number: ESP-434736226100

1.0 out of 5 stars ( 1 )

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Pulleys, Sport Track, Serpentine, Standard Ratio, Billet Aluminum, Black Powdercoated, Chevy, Big Block, Kit

Part Number: MCH-23690-08

3.0 out of 5 stars ( 2 )

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 3.622 in. Stroke, Chevy, 5.7, 6.0L, Each

Part Number: ESP-434636226100

5.0 out of 5 stars ( 1 )

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Cylinder Heads, Freedom, Aluminum, Assembled, 72 cc Chamber, 225 cc Intake Runner, Straight Plug, Chevy, Pair

Part Number: PMX-2119

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Jan 5, 2026 if ordered today

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Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 409, Each

Part Number: SCA-440910

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Engine Rotating Assembly, Street, Cast Crank, Pistons, I-Beam Rods, Chevy, Small Block, Kit

Part Number: ESP-B15405E000

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Accessory Drive Systems, High-Mount Base Kit, Holley Oiling System, Serpentine, Natural Finish, Ford 7.3L Godzilla, Kit

Part Number: HLY-20-320

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Cylinder Heads, Assembled, Aluminum, 64cc Chamber, 185cc Intake, Angle Plug, Hyd, Flat, Chevy, SBC, Pair

Part Number: PMX-2168

3.56 out of 5 stars ( 9 )

Estimated Ship Date: Jan 9, 2026 if ordered today

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Cylinder Heads, E-Street, 15-Degree, for GM LS3, with 0.660 in. Lift, Aluminum, Assembled, Chevy, Pair

Part Number: EDL-77618

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Crankshaft, Standard Weight, Forged 4340 Steel, 4.100 in. Stroke, Internal Balance, Ford, 351W, Each

Part Number: SCA-4351W60

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Cylinder Heads, Assembled, Cast Iron, 64cc Chamber, 185cc Intake Runner, Straight Plug, Chevy, Small Block, Pair

Part Number: PMX-2151

2.62 out of 5 stars ( 13 )

Estimated Ship Date: Jan 9, 2026 if ordered today

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Cylinder Heads, E-Street, 15-Degree, for GM LS3, with 0.570 in. Lift, Aluminum, Assembled, Stainless Steel Valves, Chevy, Pair

Part Number: EDL-77620

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.875 in. Stroke, Chevy, 350, Each

Part Number: ESP-435038756000

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Estimated Ship Date: Dec 31, 2025 if ordered today

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Crankshaft, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, Ford, 4.6L, Each

Part Number: ESP-428137505950

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Estimated Ship Date: Dec 31, 2025 if ordered today

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Crankshaft, One-piece Seal, Internal Balance, Forged Steel, 3.622 in. Stroke, Cadillac, Chevy, 6.2L, Each

Part Number: NAL-12641691

5.0 out of 5 stars ( 3 )

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.500 in. Stroke, 6.535 Rod, Chevy, 454, Each

Part Number: SCA-445430

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Summit Chevy LS 4340 Forged Steel Crankshaft, 3.622 stroke, 24X Reluctor, Gun-drilled and Lightened, Nitride Hardened, Narrowed Rod Bearings Req.

Part Number: SUM-180LS362224

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 5.7, 6.0L, Each

Part Number: ESP-434640006100

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