Engines & Components

CALLIES BBC ULTRA BOOST 4.625 2.750 2.200

Part Number: CPI-BBR-PR-UB

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Estimated Ship Date: Dec 5, 2025 if ordered today

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CALLIES BBC ULTRA BOOST 4.750 2.750 2.200

Part Number: CPI-BBS-42-UB

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Estimated Ship Date: Dec 5, 2025 if ordered today

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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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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.750 in. Stroke, Custom Order, Chevy, 454

Part Number: CRO-LW95136

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.500 in. Stroke, Custom Order, Chevy, 454

Part Number: CRO-LW95137

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Estimated Ship Date: Jan 12, 2026 if ordered today

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CRANKSHAFT 4340 FORGED LIGHTWEIGHT BB CHEVY 4.562 (W/HOLES)

Part Number: CRO-LW95138

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.625 in. Stroke, Custom Order, Chevy, 454

Part Number: CRO-LW95139

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Crankshafts, CRANKSHAFT 4340 FORGED ULTRA-LIGHT SB CHEV 3.335 (HOLES INCL)

Part Number: CRO-UL95113

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Estimated Ship Date: Oct 20, 2025 if ordered today

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ENGINE

Part Number: NAL-19433071

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Estimated Ship Date: Jan 5, 2026 if ordered today

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DURAMAX ULTRA BILLET 3.898/3.176/2.374

Part Number: CPI-D333M5-UL

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DURMAX ULTRA BILLET 3.650/3.650/2.480

Part Number: CPI-D342MU-UL

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CALLIES SBF HYBRID CCW MAG CRANK 3.700 / 2.249 / 2.100

Part Number: CPI-ED2701V-MG

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Estimated Ship Date: Dec 5, 2025 if ordered today

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CALLIES SBF HYBRID ULTRA BOOST 4.000 / 302 / 2.100

Part Number: CPI-EDO-01-UB

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ULTRA BILLET FORD 4.000 / 302 / 2.100

Part Number: CPI-EDO-01-UL

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ULTRA BILLET FORD 3.400/302/2.000

Part Number: CPI-EDW-04-UL

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SBF ULTRA BOOST BILLET CRANK 4.100 2.750 2.100

Part Number: CPI-EF-71-UB

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SBF ULTRA BOOST BILLET CRANK 4.150 2.750 2.100

Part Number: CPI-EF2-71-UB

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Estimated Ship Date: Dec 5, 2025 if ordered today

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FORD 3.700" / 351C / SJ

Part Number: CPI-EF2774-UB

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Estimated Ship Date: Dec 5, 2025 if ordered today

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FORD ULTRA BOOST BILLET 4.350 / 2.750 / 2.100

Part Number: CPI-EF4871-UB

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CALLIES LS1 ULTRA BILLET CRANK 3.750/2.750/2.448

Part Number: CPI-APJ-71-UB

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CALLIES LS ULTRA BOOST CRANK 3.875/2.750/2.100

Part Number: CPI-APM-71-UB

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CALLIES LS1 ULTRA BILLET CRANK 4.000 STROKE

Part Number: CPI-APO-34-UB

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