Crankshafts

CRANKSHAFT Polaris

Part Number: HRI-4438

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Estimated Ship Date: Nov 19, 2025 if ordered today

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Crankshaft Assembly, Forged 4140 Steel, Kawasaki, Suzuki, Each

Part Number: HRI-4089

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Estimated Ship Date: Nov 19, 2025 if ordered today

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Crankshaft Assembly, Forged 4140 Steel, Each

Part Number: HRI-4091

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Estimated Ship Date: Nov 19, 2025 if ordered today

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4 in. Stroke, Chevy, Small Block LS, Each

Part Number: SCA-4LS140062-S

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Estimated Ship Date: Jan 12, 2026 if ordered today

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FORGED CRANKSHAFTS

Part Number: SCA-4LS14125

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Estimated Ship Date: Jan 12, 2026 if ordered today

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FORGED CRANKSHAFTS

Part Number: SCA-4LS141262-S

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Estimated Ship Date: Jan 12, 2026 if ordered today

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FORGED CRANKSHAFTS

Part Number: SCA-4LS141265-S

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Crankshaft 4-454-4375-6635, Chevy Crankshaft Forged 4340 Strd Wgt 454 2-Piece Rear 4.375 Stroke 6.535 Length 2

Part Number: SCA-445428

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Crankshaft, 1-Piece Seal, Internal Balance, No Center Counterweights, Chevy, Big Block, Each

Part Number: SCA-445430L

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Estimated Ship Date: Jan 12, 2026 if ordered today

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FORGED CRANKSHAFTS

Part Number: SCA-430510-1

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Estimated Ship Date: Jan 12, 2026 if ordered today

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FORGED CRANKSHAFTS

Part Number: SCA-430520-1

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Crankshaft, 2-Piece Seal, External Balance, Forged 4340 Steel, 3.580 in. Stroke, Dodge, Plymouth, 340, Each

Part Number: SCA-434010

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Estimated Ship Date: Jan 12, 2026 if ordered today

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400 2-PC REAR SEAL, STD WEIGHT CHEVY

Part Number: SCA-440026

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Forged 4340 Standard Weight

Part Number: SCA-435060L

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Forged 4340 Standard Weight

Part Number: SCA-4351C26

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Estimated Ship Date: Jan 12, 2026 if ordered today

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351, STD WEIGHT FORD

Part Number: SCA-4351C45

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Forged 4340 Standard Weight

Part Number: SCA-4351C62

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Estimated Ship Date: Jan 12, 2026 if ordered today

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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: Jan 12, 2026 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: Jan 12, 2026 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: Jan 12, 2026 if ordered today

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351 STD WEIGHT

Part Number: SCA-4351W20

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Crankshaft, Internal Balance, Forged 4340 Steel, 4 in. Stroke, Ford, 351W, Each

Part Number: SCA-4351W50

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Estimated Ship Date: Jan 12, 2026 if ordered today

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350 2-PC REAR SEAL, STD WEIGHT CHEVY

Part Number: SCA-435020

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Estimated Ship Date: Jan 12, 2026 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: SCA-435030

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Estimated Ship Date: Jan 12, 2026 if ordered today

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FLATHEAD FORD

Part Number: SCA-923921

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Estimated Ship Date: Jan 12, 2026 if ordered today

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