Engine Crankshafts

SB Mopar 360 Forged Steel Crank, 3.580 stroke, 6.123 in. Rod, May Req. Heavy Metal, Lightning Holes on Rod Journals, Narrowed Rod Bearings Req.

Part Number: SUM-MOP3603580

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Crankshaft, 1-Piece Seal, Internal, External Balance, Forged 4340 Steel, 3.480 in. Stroke, Chevy, 350, Each

Part Number: SCA-435010L

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Crankshaft, Compstar, 2-piece Rear Main Seal Style, Internal/External Balance, Forged 4340 Steel, 4.500 in. Stroke, Large Snout, Chevrolet, 7.4L, Each

Part Number: CPI-BBQ425-CS

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Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, Mopar, Small Block 318, 340, 4.000 in. Stroke, Each

Part Number: ESP-103404000

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.375 in. Stroke, Chevy, 454, Each

Part Number: ESP-445443756385

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Estimated Ship Date: Dec 10, 2025 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, 4.25 in. Stroke, Pontiac, 455, Each

Part Number: ESP-104554250

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Estimated Ship Date: Dec 10, 2025 if ordered today

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Crankshaft Mallory Metal, Heavy Metal, Round, 1.250 in. Diameter, 1.200 in. Length, Each

Part Number: SCA-HM1-250X1200

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Crankshaft, Internal Balance, Forged 4340 Steel, 4.140 in. Stroke, Ford, 429, 460, Each

Part Number: ESP-446041402200

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 9, 2025 if ordered today

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Crankshaft, 1-Piece Seal, External Balance, Forged 4340 Steel, 4.000 in. Stroke, 6.135 Rod, Chevy, 454, Each

Part Number: SCA-445410L

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Estimated Ship Date: Jan 12, 2026 if ordered today

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CRANK-4340 FORGE 3.543 STROKE

Part Number: MAN-190350

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Crankshaft, Standard Weight, Forged 4340 Steel, 4.125 in. Stroke, Internal Balance, Chevy, 6.0L, 6.2L, 7.0L

Part Number: SCA-4LS141265

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Crankshaft, Forged 4340 Steel, Std. Weight, 4.50 in. Stroke, Ford, 460, Internal Balance, Each

Part Number: SCA-44604500

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Estimated Ship Date: Jan 14, 2026 if ordered today

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 6.0L, Each

Part Number: ESP-434740006100

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Estimated Ship Date: Dec 10, 2025 if ordered today

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

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

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Crankshaft Adapter Sleeves, Adapts LS Gen III / IV for use with early GM non LS transmission, Steel, Black, Each

Part Number: PQX-1803533

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Gen. 1.5 LT1 Forged Steel Crankshaft, 3.750 stroke, 5.700 Rod, Lightened, bull-nose counterweights, Nitride Hardened, 1 piece rear main seal

Part Number: SUM-SBCLT37501P

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.000 in. Stroke, Chevy, 327, Small Journal, Each

Part Number: ESP-432730005700

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SB Ford Windsor 4340 Forged Steel crank, 3.400 stroke, 5.400 in. Rod, 28 oz. Balancer , Req's Narrowed Rod Bearings, one or two piece rear seal

Part Number: SUM-SBF3023400

2.0 out of 5 stars ( 1 )

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Pro Stock Replacement Cast

Part Number: SCA-942L3740

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Crankshaft, 28 oz. External Balance, Forged 4340 Steel, 3.00 in. Stroke, Ford, 302, Each

Part Number: SCA-43021

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Jan 12, 2026 if ordered today

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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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Crank Adapter Sleeve, 1.850 in. Pilot Dia., Steel, Ford, Big Block, Each

Part Number: JPT-80002-1

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GUIDE WASHER,2.750x1/8

Part Number: PFF-06-0712

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Crankshaft, 1-piece Seal, Internal Balance, Forged 4340 Steel, 4.125 in. Stroke, 2.100 in. Pin, Chevy, Each

Part Number: SCA-4LS141262

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Crankshaft, Series 9000 Cast Lightweight Stroker, 4.125 in. Stroke, Internal Balance, Ford, Big Block FE, Each

Part Number: SCA-9FE100

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Estimated Ship Date: Jan 14, 2026 if ordered today

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