Engines & Components

4340 Pro Stock

Part Number: SCA-4LS141285

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Estimated Ship Date: Dec 29, 2025 if ordered today

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FORGED CRANKSHAFTS

Part Number: SCA-4LS141285-C

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Crankshaft 4-LS7-4000-6125-24, Chevy LS7 Crankshaft 4340 Pro Street 6-Bolt 4.000 Stroke 6.125 Length 2.100 Jou

Part Number: SCA-4LS740062

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Crankshaft 4-LS7-4125-6125-24, Chevy LS7 Crankshaft 4340 Pro Street 6-Bolt 4.125 Stroke 6.125 Length 2.100 Jou

Part Number: SCA-4LS741262

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Crankshaft 4-LS7-4125-6125-58, Chevy LS7 Crankshaft 4340 Pro Street 6-Bolt 4.125 Stroke 6.125 Length 2.100 Jou

Part Number: SCA-4LS741265

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Estimated Ship Date: Dec 29, 2025 if ordered today

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CRANKSHAFT

Part Number: SCA-4LT540065DS

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Estimated Ship Date: Dec 29, 2025 if ordered today

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CRANKSHAFT

Part Number: SCA-4LT541265DS

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Forged 4340 Standard Weight

Part Number: SCA-4351C26

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Forged 4340 Standard Weight

Part Number: SCA-4351C62

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Crankshaft, Internal Balance, Forged 4340 Steel, 4 in. Stroke, Ford, 351W, Each

Part Number: SCA-4351W50

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Crankshaft, 2-Piece Seal, External Balance, Forged 4340 Steel, 3.580 in. Stroke, Dodge, Plymouth, 340, Each

Part Number: SCA-434010

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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, 3.500 in. Stroke, Chevy, 350, Each

Part Number: SCA-435020-20

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Estimated Ship Date: Dec 29, 2025 if ordered today

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CRANKSHAFT

Part Number: NAL-12732515

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Cylinder Head, Bare, Cast Iron, 118cc Combustion Chamber, Chevy, Big Block, 454/502, Each

Part Number: NAL-12562925

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Estimated Ship Date: Feb 16, 2026 if ordered today

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HD IN-FRAME KIT, STD

Part Number: CLE-4595021STD

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Estimated Ship Date: Dec 3, 2025 if ordered today

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HD OVERHAUL KIT

Part Number: CLE-4861004STD

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Estimated Ship Date: Dec 3, 2025 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: Nov 17, 2025 if ordered today

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Pulleys, Sport Track, Serpentine, Performance Ratio, Billet Aluminum, Silver Brackets, No P/S, with A/C, Chevy, Small Block, Long, Kit

Part Number: MCH-21685-09

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Estimated Ship Date: Dec 3, 2025 if ordered today

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

Part Number: MCH-23690-09

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Estimated Ship Date: Dec 3, 2025 if ordered today

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Cyl Head, FORD 6.8 05-08 LFT HEAD

Part Number: VRE-2FDZL

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Estimated Ship Date: Dec 3, 2025 if ordered today

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

Part Number: HRS-H454256321T

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.250 in. Stroke, Pontiac, 455, Each

Part Number: ESP-445542506700

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Estimated Ship Date: Nov 25, 2025 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.210 in. Stroke, 2.249 Rod Bearings, Each

Part Number: ESP-440042106625

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Estimated Ship Date: Nov 25, 2025 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: ESP-440940026135

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Estimated Ship Date: Nov 25, 2025 if ordered today

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 3.622 in. Stroke, Chevy, LS9, Each

Part Number: ESP-442536226100

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Estimated Ship Date: Nov 25, 2025 if ordered today

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