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Crankshafts

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.800 in. Stroke, 5.850 in. Rods, 2.100 Pin, 400 Main, Internal Balance, Chevy, Small Block, Each

Part Number: CPI-SAK21A-MG

Not Yet Reviewed

Estimated Ship Date: Jul 8, 2026 if ordered today

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Estimated Ship Date: Jul 8, 2026 if ordered today

Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 4.250 in. Stroke, 6.250 in. Rods, 2.100 Pin, 400 Main, Big Block Post, Chevy, Small Block, Each

Part Number: CPI-SMP21A-MG

Not Yet Reviewed

Estimated Ship Date: Jul 8, 2026 if ordered today

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Estimated Ship Date: Jul 8, 2026 if ordered today

Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 4.000 in. Stroke, 6.000 in. Rods, 2.000 Pin, 400 Main, Internal Balance, Chevy, Small Block, Each

Part Number: CPI-SAO24A-MG

Not Yet Reviewed

Estimated Ship Date: Jul 8, 2026 if ordered today

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Estimated Ship Date: Jul 8, 2026 if ordered today

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