Callies Performance Parts and Accessories

Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 4.250 in. Stroke, 6.385 in. Rod, 2.100 Pin, Internal Balance, Chevy, Big Block, Each

Part Number: CPI-BBP43B-MG

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Estimated Ship Date: May 1, 2026 if ordered today

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MAGNUM CRANK 4.500 2.750 2.100

Part Number: CPI-BBQ-41B-MG

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ULTRA CRANK 4.50 2.750 2.200

Part Number: CPI-BBQ-42-UB

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MAGNUM BB CRANK 4.500 2.750 2.100

Part Number: CPI-BBQ-43B-MG

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MAGNUM BB CRANK 4.500 2.750 2.375

Part Number: CPI-BBQ-45B-MG

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CALLIES BIG BLOCK CRANK 4.500 2.750 2.374

Part Number: CPI-BBQ-4YB-MG

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ULTRA BOOST CRANK 4.500 / 2.747 / 2.197

Part Number: CPI-BBQ-PR-UB

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BB DIRT CRANK 4.625 2.750 2.200

Part Number: CPI-BBR-42B-UD

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CALLIES LS1 ULTRA BILLET CRANK 4.000 STROKE

Part Number: CPI-APO-34-UB

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CALLIES LS ULTRA BOOST 3.780 / 2.559 / 2.100

Part Number: CPI-AP4431-UB

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CALLIES LS ULTRA BILLET CRANK 4.600/2.559/2.100

Part Number: CPI-AP4531-UB

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CALLIES LS ULTRA BOOST 4.600 / 2.750 / 2.200 SBC WIDTH

Part Number: CPI-AP457X-UB

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LS ULTRA BILLET 3.850 351C SPEC.

Part Number: CPI-AP537X-UB

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ULTRA CRANK 4.375 2.559 2.100

Part Number: CPI-APB-31-UB

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ULTRA BOOST LS CRANK 4.375 2.750 2.100

Part Number: CPI-APB-71-UB

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CALLIES LS1 ULTRA BILLET CRANK 3.900 STROKE

Part Number: CPI-APC-31-UB

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COMPSTAR LS 8 CTWT CRANK 3.900/2.559/2.100

Part Number: CPI-APC-31Q-CS

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CALLIES LS ULTRA BOOST CRANK 3.900 / 2.750 / 2.100

Part Number: CPI-APC-71-UB

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CALLIES LS ULTRA BOOST CRANK 3.480 / 351 / 2.100

Part Number: CPI-APF-71-UB

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CALLIES LS ULTRA BOOST CRANK 3.480 / 351 / 2.200

Part Number: CPI-APF-7X-UB

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CALLIES LS1 ULTRA BOOST CRANK 3.500 STROKE 2.559 2.100

Part Number: CPI-APG-31-UB

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CALLIES ULTRA BOOST LS CRANK 3.625 STROKE 2.100 JOURNAL LS MAIN

Part Number: CPI-APH-31-UB

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COMPSTAR 8 CTWT LS1 CRANK 3.625 2.559 2.00

Part Number: CPI-APH-34Q-CS

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CALLIES LS1 ULTRA BOOST CRANK 3.625 2.750 2.100

Part Number: CPI-APH-71-UB

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ULTRA BOOST CRANK 3.750 2.559 2.100

Part Number: CPI-APJ-31-UB

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