Crankshafts

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

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CALLIES SB MAGNUM BILLET 4.250/2.448/2.100

Part Number: CPI-SAP-11-MB

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Estimated Ship Date: May 4, 2026 if ordered today

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MAGNUM CRANK 3.250 350 2.100 BB POST

Part Number: CPI-SME-11A-MG

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MAGNUM CRANK 3.250 350 2.000 BBPOST

Part Number: CPI-SME-14A-MG

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CALLIES SB FORGED ULTRA DIRT 3.480 / 350 / 1.888x1.825 BB POST

Part Number: CPI-SMF-1KA-UD

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MAGNUM 3.480 400 2.100 BB POST

Part Number: CPI-SMF-21A-MG

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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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CALLIES ULTRA BOOST 3.500 / 400 / 2.100 BBC POST

Part Number: CPI-SMG-21-UB

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MAGNUM CRANK 3.500 400 2.100

Part Number: CPI-SMG-21A-MG

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GM BB CHEVY CRANKSHAFT 4.375 2.750 2.200

Part Number: CPI-IBB-42B-GM

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CALLIES CRANK 4.375 2.750 2.100

Part Number: CPI-IBB-43B-GM

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MAGNUM BB CRANK 4.500 2.750 .2.200 1 PC

Part Number: CPI-IBQ-42B-MG

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MAGNUM BB CRANK 4.750 2.750 2.200

Part Number: CPI-IBS-42B-MG

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ULTRA BILLET CRANK 4.5SB 3.875 400 1.888

Part Number: CPI-S4M-29-UD

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SBC 4.5 S/B, 4" / 350 / HONDA

Part Number: CPI-S4O-19-UD

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SBC 4.5 S/B, 4" / 400 / 2.000

Part Number: CPI-S4O-24-UD

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SBC 4.5 S/B, 4" / 400 / HONDA

Part Number: CPI-S4O-29-UD

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CALLIES SBC ULTRA BOOST 4.250/400/2.100

Part Number: CPI-S4P-21-UB

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ULTRA DIRT SB BILLET 4.500 SB 4.250/400/2.00

Part Number: CPI-S4P-24-UD

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SBC MAGNUM BILLET CRANK 4.500 400 2.100

Part Number: CPI-S4Q-21-MB

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CALLIES ULTRA BOOST CRANK 4.500" BORE SPACE 4.750/400/2.000

Part Number: CPI-S4S-24-UB

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CALLIES BILLET ULTRA DIRT CRANK 4.5 S/B 4.125/350/1.888

Part Number: CPI-S4U-19-UD

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ULTRA BILLET CRANK 4.5BS 4.125 400 2.100

Part Number: CPI-S4U-21K-UL

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ULTRA BILLET CRANK 4.5BS 4.125 400 2.000

Part Number: CPI-S4U-24-UL

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BILLET CRANK 4.500 SB 2.100 ULTRA

Part Number: CPI-S4Z-21K-UL

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