Engine Crankshafts

CHEVY 400 350 MAINS

Part Number: ESP-12608040

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Competition assembly, 374 cid, JE 13CC

Part Number: ESP-12620000

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Competition assembly, 387 cid, JE 12.9CC

Part Number: ESP-12622000

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Estimated Ship Date: Nov 24, 2025 if ordered today

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4.000" stroke, internal balance, billet 4340 steel, center-counterweighted Chevrolet Gen III "LS", 24 tooth reluctor

Part Number: ESP-334640016100

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Estimated Ship Date: Nov 24, 2025 if ordered today

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crank shaft,4340 Billet Crank Mitsubishi 4B11T 94mm stroker

Part Number: ESP-34B137015659

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Estimated Ship Date: Nov 24, 2025 if ordered today

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crank shaft,4340 Billet Crank Nissan RB26 77.7mm stroker

Part Number: ESP-3RB230594783

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Estimated Ship Date: Nov 24, 2025 if ordered today

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4.375" stroke, internal balance, forged 4340 steel, Chevrolet Gen III "LS"

Part Number: ESP-434743756460

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Estimated Ship Date: Nov 24, 2025 if ordered today

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CRANKSHAFT

Part Number: ESP-4349348057LA

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Estimated Ship Date: Nov 24, 2025 if ordered today

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CRANKSHAFT

Part Number: ESP-4349350057LA

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Estimated Ship Date: Nov 24, 2025 if ordered today

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4340 CRANK CHEV 350 2PC IMCA LEGAL

Part Number: ESP-4350350057CM

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Estimated Ship Date: Nov 24, 2025 if ordered today

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4340 CRANK CHEV 350 2PC 3.750" BBC SNOUT

Part Number: ESP-4350375057B1

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Engine Crankshaft

Part Number: ESP-4350375057B2

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 4.125 in. Stroke, 6.200 in. Rods, 2.100 Pin, Internal Balance, Chevy, Small Block, Each

Part Number: CPI-SAU11A-MG

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 4.125 in. Stroke, 6.125 in. Rods, 2.100 Pin, 400 Main, Internal Balance, Chevy, Small Block, Each

Part Number: CPI-SAU21AMG

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 4.125 in. Stroke, 6.000 in. Rods, 2.100 Pin, Internal Balance, Chevy, Small Block, Each

Part Number: CPI-SAU24A-MG

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.400 in. Stroke, 5.700 in. Rods, 2.100 Pin, 350 Main, Internal Balance, Chevy, Small Block, Each

Part Number: CPI-SAW11A-MG

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.400 in. Stroke, 5.700 in. Rods, 2.000 Pin, 350 Main, Internal Balance, Chevy, Small Block, Each

Part Number: CPI-SAW14A-MG

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.335 in. Stroke, 5.700 in. Rods, 2.000 Pin, 350 Main, Internal Balance, Chevy, Small Block, Each

Part Number: CPI-SAX14A-MG

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.000 in. Stroke, 5.700 in. Rods, 2.000 Pin, Internal Balance, Chevy, Small Block, Each

Part Number: CPI-SAD14A-MG

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Estimated Ship Date: Jan 16, 2026 if ordered today

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CRANKSHAFT

Part Number: CPI-SAE-11AM-G

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Estimated Ship Date: Jan 16, 2026 if ordered today

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GEAR, CRANKSHAFT, 2011-2023

Part Number: MOP-68151121AA

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Estimated Ship Date: Nov 17, 2025 if ordered today

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GEAR, CRANKSHAFT, 2010-2022

Part Number: MOP-68219739AA

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Estimated Ship Date: Nov 17, 2025 if ordered today

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CRANKSHFT, ENGINE, 2007-2010

Part Number: MOP-R8264641AA

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• Core Charge $35.00
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CRANKSHAF, ENGINE, 2013-2021

Part Number: MOP-68438173AA

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Estimated Ship Date: Nov 17, 2025 if ordered today

• Oversize $6.99
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CRANKSHAF, ENGINE, 2019-2023

Part Number: MOP-68517265AA

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Estimated Ship Date: Nov 17, 2025 if ordered today

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