1971 Crankshafts

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.125 in. Stroke, Chevy, 350, Each

Part Number: ESP-435041256000

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Estimated Ship Date: Apr 16, 2026 if ordered today

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Crankshaft, Compstar, 2-piece Rear Main Seal Style, Internal Engine Balance, Forged 4340 Steel, 3.480 in. Stroke, Lightened, Chevrolet, 5.7L, Each

Part Number: CPI-SAF143-CC

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Crankshaft, Internal Balance, Forged 4340 Steel, 3.85 in. Stroke, Ford, 351W, Each

Part Number: SCA-4351W45

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Estimated Ship Date: Apr 29, 2026 if ordered today

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302 2-PC REAR SEAL, STD WEIGHT CHEVY

Part Number: SCA-435005

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Estimated Ship Date: May 1, 2026 if ordered today

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Crankshaft, Excalibur, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, Chevy, 350, Each

Part Number: SCA-735056

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Estimated Ship Date: Apr 29, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.480 in. Stroke, Chevy, 350, Each

Part Number: ESP-4350348057LW

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340, 3.750 in. Stroke, 2.45 Mains, Chevy, 5.7, 6.6L, Each

Part Number: MAN-190150

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 6, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.480 in. Stroke, 350 Mains, Chevy, 5.7, Each

Part Number: MAN-190190

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 8, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 400, Each

Part Number: SCA-440086

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Crankshaft, 2-Piece Seal, Internal Balance, Forged, 4340 Steel, 3.875 in. Stroke, Chevy, 350, Each

Part Number: HRS-H353876012T

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Estimated Ship Date: Apr 16, 2026 if ordered today

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Crankshaft, 1 or 2-Piece Seal, 28 oz. External Balance, Cast Steel, 3.75 in. Stroke, Ford, 351W, Each

Part Number: ESP-103513750

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, 2.100 in. Pin, Chevy, 400

Part Number: CPI-SAJ213-CS

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Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.800 in. Stroke, 2.100 in. Pin, Chevy, 400

Part Number: CPI-SAK213-CS

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Estimated Ship Date: May 20, 2026 if ordered today

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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: May 19, 2026 if ordered today

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4340 Forged Superlight

Part Number: SCA-445405C-3

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Estimated Ship Date: Apr 29, 2026 if ordered today

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Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 3.480 in. Stroke, Chevy, 350, 2.100 Pin, Each

Part Number: CPI-SAF11A-MG

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Estimated Ship Date: May 19, 2026 if ordered today

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4340 Forged Pro Series Big Block Post

Part Number: SCA-773505621

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Estimated Ship Date: Apr 29, 2026 if ordered today

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Crankshaft, 2-piece Seal, External Balance, Cast Steel, 4.500 in. Stroke, 2.200 in. Pin, Oldsmobile, 455, Each

Part Number: ESP-104554500

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Estimated Ship Date: Apr 16, 2026 if ordered today

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351 FORD SUPERLIGHT

Part Number: SCA-4351C50-3

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Estimated Ship Date: Apr 29, 2026 if ordered today

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4340 Forged Superlight

Part Number: SCA-435028-3

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Estimated Ship Date: Apr 29, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Billet Steel, 4.250 in. Stroke, Chevrolet, Big Block, Each

Part Number: BRO-S0013

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Estimated Ship Date: Mar 30, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Billet Steel, 4.500 in. Stroke, Chevrolet, Big Block, Each

Part Number: BRO-S0017

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Estimated Ship Date: Mar 30, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, 4340 Forged Steel, 4.50 in. Stroke, Standard Snout, Chevrolet, Big Block, Each

Part Number: HRS-45445006535

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Estimated Ship Date: Apr 16, 2026 if ordered today

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Crankshaft, Standard Weight, Forged 4340 Steel, 4.125 in. Stroke, Internal Balance, Ford, Big Block FE, Each

Part Number: SCA-4FE100

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Estimated Ship Date: Apr 29, 2026 if ordered today

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Crankshaft, Standard Weight, Forged 4340 Steel, 3.750 in. Stroke, Internal Balance, Chrysler, 383, 400, Each

Part Number: SCA-438310

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Estimated Ship Date: Apr 29, 2026 if ordered today

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