Callies Performance Engines & Components

MAGNUM SBC 4.125 400 1.888 BB POST

Part Number: CPI-SMU-29A-MG

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Estimated Ship Date: Sep 16, 2025 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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CALLIES SB FORGED ULTRA DIRT CRANK 4.000/2.448/1.888

Part Number: CPI-SMO-19A-UD

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MAGNUM CRANK 3.335 350 2.100

Part Number: CPI-SMX-11A-MG

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MAGNUM CRANK 4.000 350 1.850 BB POST

Part Number: CPI-SMO-1EA-MG

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CALLIES SB 3.450/350/1.888 JOURNAL ULTRA DIRT FORGED

Part Number: CPI-SMY-19A-UD

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MAGNUM CRANK 4.000/400/2.200 BB POST

Part Number: CPI-SMO-22A-MG

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CALLIES ULTRA DIRT BILLET 4.000 / 350 / SJ

Part Number: CPI-SOO-14-UD

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CALLIES SB ULTRA DIRT CRANK 4.000/2.648/1.888

Part Number: CPI-SMO-29-UD

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 4.000 in. Stroke, 6.000 in. Rods, 1.888 Pin, 350 Main, Big Block Post, Chevy, Small Block, Each

Part Number: CPI-SMO19A-MG

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CALLIES SB ULTRA DIRT CRANK 3.550/350/1.888

Part Number: CPI-SKT-19-UD

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CALLIES SB ULTRA DIRT FORGED CRANK 3.550/350/1.888

Part Number: CPI-SKT-19A-UD

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ULTRA DIRT CRANK 3.400 / 350 / 1.885

Part Number: CPI-SKW-19-UD

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CALLIES SB ULTRA DIRT CRANK 3.335/2.448/1.888

Part Number: CPI-SKX-19-UD

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CALLIES SBC BB POST ULTRA BOOST 4.100/400/2.100

Part Number: CPI-SM-21-UB

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CALLIES SBC ULTRA BOOST CRANK BBC SNOUT 4.100/400/1.888

Part Number: CPI-SM-29-UB

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CALLIES SBC ULTRA BOOST CRANK BBC SNOUT 4.100/400/1.888 HONDA JOURNAL, NASCAR WIDTH

Part Number: CPI-SM-2K-UB

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CALLIES ULTRA DIRT SBC CRANK 3.370 350 1.888 BBC SNOUT

Part Number: CPI-SM1719A-UD

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MAGNUM BB POST, 2.850 350 2.100

Part Number: CPI-SM2611A-MG

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MAGNUM SB CRANK 3.850 350 2.000

Part Number: CPI-SM5314A-MG

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CALLIES SB ULTRA BOOST CRANK 3.850/400/2.100 BB POST

Part Number: CPI-SM5321-UB

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ULTRA BOOST SB CRANKSHAFT 3.562 350 2.100 BB POST

Part Number: CPI-SM6-11-UB

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MAGNUM SB CRANKSHAFT 3.562 650 2.100

Part Number: CPI-SM6-11A-MG

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SB MAGNUM CRANK 3.562 350 2.000 BB POST

Part Number: CPI-SM6-14A-MG

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CALLIES SB UD 3.300 STROKE 283 MAIN 1.850 X 1.825 WIDE ROD JOURNAL

Part Number: CPI-SM605D-UD

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