Crankshafts

CALLIES BBC ULTRA BOOST 5.300 / 2.75 / 2.100 BBC WIDTH

Part Number: CPI-BB5-43-UB

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Estimated Ship Date: Mar 12, 2026 if ordered today

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ULTRA BOOST BB CRANK 5.600 2.747 2.197

Part Number: CPI-BB8APR-UB

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CALLIES BB ULTRA BILLET CRANK 4.375/2.750/2.200

Part Number: CPI-BBB-42-UB

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Estimated Ship Date: Mar 12, 2026 if ordered today

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COMPSTAR CRANK 4.375 2.750 2.100

Part Number: CPI-BBB-435-CS

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CALLIES BIG BLOCK ULTRA BILLET 4.375 2.750 2.197

Part Number: CPI-BBB-PR-UB

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ULTRA BILLET CRANK 3.500 / 2.750 / 2.100

Part Number: CPI-BBG-43-UB

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CALLIES BBC ULTRA BOOST CRANK 4.875/ 2.750/ 2.200

Part Number: CPI-BBI-42-UB

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CALLIES BBC ULTRA BOOST CRANK 4.875/ 2.750/ 2.200

Part Number: CPI-BBI-PR-UB

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ULTRA BILLET CRANK 4.00 / 2.750 / 2.200

Part Number: CPI-BBO-42-UB

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ULTRA BILLET CRANK 4.250 / 2.750 / 2.200

Part Number: CPI-BBP-42-UB

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CALLIES ULTRA BOOST BILLET BB CRANK 4.250 / 2.747 / 2.100 PRO-MOD SIZES

Part Number: CPI-BBP-P3-UB

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ULTRA BOOST CRANK 4.250 / 2.750 / 2.200 PRO-MOD SIZES

Part Number: CPI-BBP-PR-UB

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ULTRA CRANK 4.50 2.750 2.200

Part Number: CPI-BBQ-42-UB

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ULTRA BOOST CRANK 4.500 / 2.747 / 2.197

Part Number: CPI-BBQ-PR-UB

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CALLIES BBC ULTRA BOOST 4.625 2.750 2.200

Part Number: CPI-BBR-PR-UB

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CALLIES BBC ULTRA BOOST 4.750 2.750 2.200

Part Number: CPI-BBS-42-UB

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ULTRA CRANK 4.750 2.750 2.197

Part Number: CPI-BBS-PR-UB

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CALLIES BBC ULTRA BOOST 4.125/2.750/2.200

Part Number: CPI-BBU-42-UB

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CALLIES BBC ULTRA BOOST 4.125/2.750/2.100

Part Number: CPI-BBU-43-UB

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ULTRA BOOST BB CRANK 4.125 2.750 HEMI PIN

Part Number: CPI-BBU-45-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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Estimated Ship Date: Mar 12, 2026 if ordered today

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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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