Crankshafts

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: Sep 11, 2025 if ordered today

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4340 Pro Stock

Part Number: SCA-4LS141285

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Estimated Ship Date: Sep 11, 2025 if ordered today

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Crankshaft 4-LS7-4000-6125-24, Chevy LS7 Crankshaft 4340 Pro Street 6-Bolt 4.000 Stroke 6.125 Length 2.100 Jou

Part Number: SCA-4LS740062

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Estimated Ship Date: Sep 11, 2025 if ordered today

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Crankshaft 4-LS7-4000-6125-58, Chevy LS7 Crankshaft 4340 Pro Street 6-Bolt 4.000 Stroke 6.125 Length 2.100 Jou

Part Number: SCA-4LS740065

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Estimated Ship Date: Sep 11, 2025 if ordered today

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4340 Forged Superlight

Part Number: SCA-435087-3

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Estimated Ship Date: Sep 8, 2025 if ordered today

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CALLIES MOPAR ULTRA BILLET 4.500 2.250

Part Number: CPI-F7Q-UY2-TF

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Estimated Ship Date: Sep 29, 2025 if ordered today

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CALLIES MOPAR TOP FUEL FORGED BILLET 4.750

Part Number: CPI-FNS-UY2-TF

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Estimated Ship Date: Sep 29, 2025 if ordered today

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CALLIES 481X CRANK 4.375 / 2.747 / 2.374

Part Number: CPI-FXB-UY-UB

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Estimated Ship Date: Sep 29, 2025 if ordered today

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CALLIES 481X CRANK 3.900 /2.747/2.374

Part Number: CPI-FXC-UY-UB

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FORD ULTRA DIRT FORGED CRANK 4.000/2.750/2.000

Part Number: CPI-EFO-7PV-UD

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Estimated Ship Date: Sep 29, 2025 if ordered today

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MAGNUM FORD CRANK 4.250 351C 2.

Part Number: CPI-EFP-74V-MG

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Estimated Ship Date: Sep 29, 2025 if ordered today

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CALLIES 351C ULTRA BOOST 4.125 / 351C / 2.100

Part Number: CPI-EFU-71-UB

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Estimated Ship Date: Sep 29, 2025 if ordered today

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FORD ULTRA DIRT FORGED CRANK 4.125/2.750/2.000

Part Number: CPI-EFU-7PV-UD

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CALLIES NOONAN 4.900 BORE SPACING ULTRA BILLET 4.000 / 2.750 / 2.375

Part Number: CPI-F1O-P7-UB

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CALLIES NOONAN 4.900 BORE SPACING ULTRA BOOST 4.125 / 2.747 / 2.374

Part Number: CPI-F1U-P7-UB

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GM BB CHEVY CRANKSHAFT 4.375 2.750 2.200

Part Number: CPI-IBB-42B-GM

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Estimated Ship Date: Sep 29, 2025 if ordered today

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CRANKSHAFT

Part Number: CPI-KV3291H-CS

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Estimated Ship Date: Sep 29, 2025 if ordered today

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CALLIES MAGNUM LS SB CRANK 4.100/2.559/2.100

Part Number: CPI-AP-31V-MG

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Estimated Ship Date: Sep 29, 2025 if ordered today

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CALLIES Forged Ultra Dirt 3.600 LS Honda

Part Number: CPI-AP2239V-UD

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Estimated Ship Date: Sep 29, 2025 if ordered today

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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 ULTRA BOOST LS CRANK 3.625 STROKE 2.100 JOURNAL LS MAIN

Part Number: CPI-APH-31-UB

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CALLIES LS1 ULTRA BILLET CRANK 4.000 STROKE

Part Number: CPI-APO-31-UB

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CALLIES LS ULTRA BOOST 4.250 / 2.559 / 2.100

Part Number: CPI-APP-31-UB

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CALLIES ULTRA BILLET CRANK 4.500/2.559./2.100

Part Number: CPI-APQ-31-UB

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Estimated Ship Date: Sep 29, 2025 if ordered today

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CALLIES FORGED ULTRA DIRT SB CRANK 3.750 / 350 / 2.000

Part Number: CPI-SAJ-14A-UD

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Estimated Ship Date: Sep 29, 2025 if ordered today

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