Crankshafts

LS ULTRA BOOST 4" / 351C / 2.100

Part Number: CPI-AWO-71-UB

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Estimated Ship Date: Nov 24, 2025 if ordered today

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CALLIES LS1 ULTRA BILLET CRANK 4.250 STROKE

Part Number: CPI-AWP-31-UB

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Crankshaft, Compstar 4340 Forged, 3.750 Stroke, 8-bolt Flange, Internal Balanced, Includes 58-tooth GM Reluctor, Each

Part Number: CPI-5UJ31Q-CS

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Estimated Ship Date: Nov 24, 2025 if ordered today

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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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COMPSTAR BB CRANK 4.250/2.750/2.200

Part Number: CPI-BBP-42C-CS

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ULTRA BOOST CRANK 4.500 / 2.747 / 2.197

Part Number: CPI-BBQ-PR-UB

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Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 4.625 in. Stroke, 2.200 in. Pin, Chevrolet, Each

Part Number: CPI-BBR425-CS

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Estimated Ship Date: Nov 24, 2025 if ordered today

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MAGNUM BB LIGHTWEIGHT CRANK 4.750 2.750 2.200

Part Number: CPI-BBS-42B-UD

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MAGNUM BB CRANK 4.750 2.750 2.100

Part Number: CPI-BBS-43B-MG

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CALLIES BB 5.3 ULTRA BOOST 5.375/2.750/2.197

Part Number: CPI-BQ-PR-UB

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BB ULTRA BILLET CRANK 4.875 2.750 2.200 PRO MOD SIZES

Part Number: CPI-BQI-PR-UB

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Estimated Ship Date: Nov 24, 2025 if ordered today

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CALLIES BB ULTRA BILLET CRANK 4.000/2.747/2.197

Part Number: CPI-BQO-PR-UB

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Estimated Ship Date: Nov 24, 2025 if ordered today

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CALLIES BBC ULTRA BILLET 5" BS - 4.750 / 2.747 / 2.197

Part Number: CPI-BQS-PR-UB

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CALLIES GEN 3 HEMI BILLET ULTRA BOOST 4.400 / 2.559 / 2.100

Part Number: CPI-YY59E1-UB

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Estimated Ship Date: Nov 24, 2025 if ordered today

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CALLIES CRANK 3.630 GenIII Hemi Ultra boost

Part Number: CPI-YY77E1-UB

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Estimated Ship Date: Nov 24, 2025 if ordered today

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CALLIES GEN 3 HEMI BILLET 3.500 STROKE 2.00 JOURNAL

Part Number: CPI-YYG-E4-UL

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Crankshaft, Compstar, 1-Piece Seal, Forged 4340 Steel, 3.800 in. Stroke, 6.125 in. Rod, 2.100 Pin, Internal Balance, Mopar, Hemi, Gen III, Each

Part Number: CPI-YYKE18-CS

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CALLIES GEN 3 HEMI BILLET 4.000 STROKE 2.100 JOURNAL

Part Number: CPI-YYO-E1-UB

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BTR GEN III HEMI CRANKSHAFT 4.050" STROKE NO RELUCTOR

Part Number: BTC-S0433

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Crankshaft, One-piece Seal, Internal Balance, Cast Iron, Chevy, GMC, 5.3L, Each

Part Number: NAL-12685650

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Estimated Ship Date: Dec 31, 2025 if ordered today

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CRANKSHAFT

Part Number: SCA-481029

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Estimated Ship Date: Nov 11, 2025 if ordered today

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Crankshaft, LS1 S-Series, Pro Stock, 6-Bolt, 4340 Forged Steel, 1-Piece Rear Main, Internal, Narrow Bearing, 4/4.125 in. Stroke, 6.125 in. Rod, Each

Part Number: SCA-4LS136365

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Estimated Ship Date: Nov 11, 2025 if ordered today

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4 in. Stroke, Chevy, Small Block LS, Each

Part Number: SCA-4LS140062-S

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Estimated Ship Date: Nov 11, 2025 if ordered today

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4 in. Stroke, Chevy, Small Block LS, Each

Part Number: SCA-4LS140065-S

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Estimated Ship Date: Nov 11, 2025 if ordered today

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FORGED CRANKSHAFTS

Part Number: SCA-4LS14125

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Estimated Ship Date: Nov 11, 2025 if ordered today

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