Crankshafts

4340 Forged Superlight

Part Number: SCA-445440C-3

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Estimated Ship Date: Dec 9, 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: Dec 9, 2025 if ordered today

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Engine Crankshaft, Chevy LS1 4-LS1-4000-

Part Number: SCA-4LS140006125

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Estimated Ship Date: Dec 9, 2025 if ordered today

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350 2-PC REAR SEAL, PROCOMP LIGHTWEIGHT CHEVY

Part Number: SCA-435086-2

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Estimated Ship Date: Dec 9, 2025 if ordered today

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4340 Forged Superlight

Part Number: SCA-435087-3

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Crankshaft, External Balance, Forged 4340 Steel, 3.850 in. Stroke, Ford, 351W, Cleveland Mains, Each

Part Number: SCA-4351C36

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351, PROCOMP LIGHTWEIGHT FORD

Part Number: SCA-4351C45-2

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Forged 4340 Standard Weight

Part Number: SCA-4351C62

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Crankshaft, 28 oz. Internal Balance, Forged 4340 Steel, 3.500 in. Stroke, Ford, 351W, Each

Part Number: SCA-4351W16

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 9, 2025 if ordered today

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351 FORD SUPERLIGHT FORD

Part Number: SCA-4351W16-3

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CALLIES BBF MAGNUM BILLET 4.150/3.000/2.200

Part Number: CPI-9G2-H2-MB

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Estimated Ship Date: Dec 23, 2025 if ordered today

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FORD BB ULTRA BOOST BILLET 4.750 / 460 / 2.200

Part Number: CPI-9GS-H2-UB

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Estimated Ship Date: Dec 23, 2025 if ordered today

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COMPSTAR LS CRANK 4.100/2.559/2.100

Part Number: CPI-AP-31Q-CS

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Estimated Ship Date: Dec 23, 2025 if ordered today

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CALLIES LS1 ULTRA DIRT BILLET CRANK 3.838 / 2.559 / 2.100

Part Number: CPI-AP3D31-UD

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Estimated Ship Date: Dec 23, 2025 if ordered today

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CALLIES Ultra Dirt 3.750 LS 2.000

Part Number: CPI-APJ-34-UD

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Estimated Ship Date: Dec 23, 2025 if ordered today

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CALLIES LS1 ULTRA BILLET CRANK 4.000 STROKE

Part Number: CPI-APO-31-UB

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CALLIES LS1 ULTRA BOOST CRANK 4.000/2.750/2.100

Part Number: CPI-APO-71-UB

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Estimated Ship Date: Dec 23, 2025 if ordered today

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MAGNUM BB CRANK 4.875 2.750 2.200

Part Number: CPI-BBI-42B-MG

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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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Estimated Ship Date: Dec 23, 2025 if ordered today

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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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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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Estimated Ship Date: Dec 23, 2025 if ordered today

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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: Dec 23, 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: Dec 23, 2025 if ordered today

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