Crankshafts

Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 4.250 in. Stroke, 2.100 in. Pin, Chevy, 400

Part Number: CPI-SAP21A-MG

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.335 in. Stroke, 5.700 in. Rods, 2.100 Pin, 350 Main, Internal Balance, Chevy, Small Block, Each

Part Number: CPI-SAX11A-MG

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.335 in. Stroke, 5.700 in. Rods, 1.888 Pin, 350 Main, Internal Balance, Chevy, Small Block, Each

Part Number: CPI-SAX19A-MG

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.480 in. Stroke, 5.700 in. Rods, 2.100 Pin, 350 Main, Internal Balance, Chevy, Small Block, Each

Part Number: CPI-SMF11A-MG

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.875 in. Stroke, 5.850 in. Rods, 2.100 Pin, Big Block Post, Chevy, Small Block, Each

Part Number: CPI-SMM11A-MG

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.875 in. Stroke, 6.000 in. Rods, 2.100 Pin, 400 Main, Big Block Post, Chevy, Small Block, Each

Part Number: CPI-SMM21AMG

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 4.000 in. Stroke, 6.000 in. Rods, 2.100 Pin, 350 Main, Big Block Post, Chevy, Small Block, Each

Part Number: CPI-SMO11A-MG

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Estimated Ship Date: Feb 6, 2026 if ordered today

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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

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, Big Block Chevy Snout, 4.125 in. Stroke, 2.100 in. Pin, Chevy, 400, Each

Part Number: CPI-SMU21A-MG

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Estimated Ship Date: Feb 6, 2026 if ordered today

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RB 30 MAGNUM BILLET 94.5 MM STROKE

Part Number: CPI-J089F9-MB

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.000 in. Stroke, 5.700 in. Rods, 2.100 Pin, Internal Balance, Chevy, Small Block, Each

Part Number: CPI-SAD11A-MG

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.250 in. Stroke, 5.700 in. Rods, 2.000 Pin, Internal Balance, Chevy, Small Block, Each

Part Number: CPI-SAE-14AMG

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.480 in. Stroke, 5.700 in. Rods, 2.000 Pin, Internal Balance, Chevy, Small Block, Each

Part Number: CPI-SAF14A-MG

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.500 in. Stroke, 2.100 in. Pin, Chevy, 350

Part Number: CPI-SAG11A-MG

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.500 in. Stroke, 2.000 in. Pin, Chevy, 350

Part Number: CPI-SAG14A-MG

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.500 in. Stroke, 5.700 in. Rods, 1.888 Pin, Internal Balance, Chevy, Small Block, Each

Part Number: CPI-SAG19A-MG

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.750 in. Stroke, 5.850 in. Rods, 2.000 Pin, Internal Balance, Chevy, Small Block, Each

Part Number: CPI-SAJ14A-MG

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.750 in. Stroke, 5.850 in. Rods, 1.888 Pin, Internal Balance, Chevy, Small Block, Each

Part Number: CPI-SAJ19A-MG

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Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, 2.100 in. Pin, Chevy, 400

Part Number: CPI-SAJ21A-MG

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Estimated Ship Date: Feb 6, 2026 if ordered today

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CRANKSHAFT LS1 (INCLUDES 95096 RELUCTOR RING)

Part Number: CRO-95100

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Estimated Ship Date: Dec 22, 2025 if ordered today

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CRANKSHAFT 4340 FORGED SB CHEVY 3.000 STROKE (HOLES INCL)

Part Number: CRO-95115

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 3.625 in. Stroke, Chevy, Each

Part Number: CRO-95124

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Estimated Ship Date: Mar 16, 2026 if ordered today

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CRANKSHAFT 4340 FORGED SB CHEVY 3.800 STROKE (HOLES INCL)

Part Number: CRO-95126

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 3.875 in. Stroke, Chevy, Each

Part Number: CRO-95127

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Estimated Ship Date: Mar 16, 2026 if ordered today

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CRANKSHAFT 4340 FORGED SB CHEVY 4.125 STROKE (HOLES INCL)

Part Number: CRO-95129

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Estimated Ship Date: Dec 22, 2025 if ordered today

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