Engine Crankshafts

SB Chevy Forged Steel crankshaft, 3.750 Stroke, Two Piece Rear Seal, Req. Narrowed Rod Bearings, Lightened, Nitride, Designed for 6.000 in. Rod

Part Number: SUM-SBC4003750

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SB Chevy Forged Steel crankshaft, 3.875 Stroke, Two Piece Rear Seal, Req. Narrowed Rod Bearings, Lightened, Nitride, Designed for 6.000 in. Rod

Part Number: SUM-SBC4003875

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351 STD WEIGHT

Part Number: SCA-4351C65

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Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, 4.000 in. Stroke, Dodge, Plymouth, 340, Each

Part Number: SCA-934020

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Estimated Ship Date: Sep 22, 2025 if ordered today

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4140 CRANK CHEVY BB INT BALANCE

Part Number: ESP-545440026135

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Estimated Ship Date: Aug 15, 2025 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.500 in. Stroke, Chevy, 350, Each

Part Number: ESP-4350350057LA

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Aug 15, 2025 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.562 in. Stroke, Chevy, 350, Each

Part Number: ESP-435035625700

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Estimated Ship Date: Aug 18, 2025 if ordered today

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Crankshaft, Forged 4340 Steel, Std. Weight, 3.875 in. Stroke, Chevy, 400, 2-Piece Seal, Internal Balance, Each

Part Number: SCA-440076

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Estimated Ship Date: Sep 22, 2025 if ordered today

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350 2-PC REAR SEAL, STD WEIGHT CHEVY

Part Number: SCA-435006

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Woodruff Key, Short, 0 degree Offset, Steel, Natural, 0.728 in. Length, Set of 25

Part Number: RNB-595-061

5.0 out of 5 stars ( 2 )

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Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 400, 2.100 Pin, Each

Part Number: CPI-SAO21A-MG

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 4.000 in. Stroke, 6.000 in. Rods, 2.100 Pin, 350 Main, Big Block Post, Chevy, Small Block, Each

Part Number: CPI-SMO11A-MG

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Engine Crankshaft Lock Key, Engine Crankshaft Lock Key, KEY-CR/SHF SPKT

Part Number: ADO-24424855

5.0 out of 5 stars ( 1 )

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Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, 4.250 in. Stroke, Ford, V8, Flathead, 8BA, Each

Part Number: ESP-102394250

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4340 Forged Superlight

Part Number: SCA-445430C-3

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Estimated Ship Date: Sep 22, 2025 if ordered today

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4340 Forged Pro Series Lightweight

Part Number: SCA-445430C-2

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Crankshaft, Forged 4340 Steel, 4.000 in. Stroke, Internal Balance, 8 Bolt, 58-tooth GM Reluctor, Wet Sump Post, Standard Snout, Chevy, Gen V, Each

Part Number: CPI-5TO-31V-AS

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Crankshaft, Forged 4340 Steel, 4.125 in. Stroke, Internal Balance, 6 Bolt, 58-tooth GM Reluctor, Standard Snout, Chevy, Small Block, LS, Each

Part Number: CPI-APU-31V-AS

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351 FORD SUPERLIGHT FORD

Part Number: SCA-4351C16-3

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Estimated Ship Date: Sep 22, 2025 if ordered today

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351 FORD SUPERLIGHT

Part Number: SCA-4351C50-3

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Estimated Ship Date: Sep 22, 2025 if ordered today

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350 1-PC REAR SEAL SUPERLIGHT

Part Number: SCA-435010L-3

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Estimated Ship Date: Sep 22, 2025 if ordered today

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4340 Forged Superlight

Part Number: SCA-435028-3

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Estimated Ship Date: Sep 22, 2025 if ordered today

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PRO SERIES CRANKSHAFT

Part Number: SCA-4289022-2

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BILLET 4340 STEEL TOYOTA 2JZ 86MM STROKE

Part Number: ESP-32JZ33865590

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Estimated Ship Date: Aug 15, 2025 if ordered today

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351, PROCOMP LIGHTWEIGHT FORD

Part Number: SCA-4351W16-2

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Estimated Ship Date: Sep 22, 2025 if ordered today

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