Engine Crankshafts

Crankshaft, Pro LS, 4340 Forged Steel, 4 in. Stroke, 24X Reluctor, Lightened Rod Journals, Gun-drilled Mains, Internal balanced, LS1, Each

Part Number: SUM-180LS400024X

5.0 out of 5 stars ( 2 )

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Pro LS 4340 Forged Steel Crank, 4.000 Stroke, 58X Reluctor, Lightened Rod Journals and Gun-drilled Mains, Std. 6-bolt Flange, Internal balanced, LS3

Part Number: SUM-180LS400058X

4.83 out of 5 stars ( 6 )

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Pro LS 4340 Forged Steel Crank, 3.622 Stroke, 58X Reluctor, Lightened Rod Journals and Gun-drilled Mains, Std. 6-bolt Flange, Internal balanced, LS3

Part Number: SUM-180LS362258X

5.0 out of 5 stars ( 1 )

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Crankshaft, 2-Piece Seal, External Balance, Cast Steel, 3.850 in. Stroke, Ford, 460, Each

Part Number: SCA-946010

5.0 out of 5 stars ( 2 )

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

Part Number: ESP-434641256100

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Estimated Ship Date: Jan 21, 2026 if ordered today

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CRANKSHAFT

Part Number: HRI-HR00047

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Crankshaft Assembly, Forged 4140 Steel, Each

Part Number: HRI-4074

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Crankshaft Assembly, +4.000mm Stroke, Forged 4140 Steel, Each

Part Number: HRI-4143

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Crankshaft Assembly, Forged 8620 Steel, Each

Part Number: HRI-4007

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Crankshaft Assembly, Forged 8620 Steel, Each

Part Number: HRI-4053

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Crankshaft Assembly, Forged 8620 Steel, Each

Part Number: HRI-4066

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Crankshaft Assembly, +5.000mm Stroke, Forged 4140 Steel, Each

Part Number: HRI-4178

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Crankshaft Assembly, Forged 8620 Steel, Each

Part Number: HRI-4055

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Crankshaft Assembly, Forged 4140 Steel, Each

Part Number: HRI-4070

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Crankshaft Assembly, Forged 4140 Steel, Each

Part Number: HRI-4083

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COMPLETE CRANKSHAFT ASSEMBLY

Part Number: HRI-4144

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Powersports Crankshaft, Hot Rod Crank Polaris Ranger Sportsman / Rzr 570

Part Number: HRI-4429

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Crankshaft Assembly, Forged 8620 Steel, Each

Part Number: HRI-4014

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Estimated Ship Date: Dec 29, 2025 if ordered today

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S&S Cycle .094in x .313in x .311in Woodruff Key

Part Number: SSY-50-8220-S

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Estimated Ship Date: Jan 6, 2026 if ordered today

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S&S Cycle .094in x .313in x .311in Woodruff Key - 10 Pack

Part Number: SSY-50-8229

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Estimated Ship Date: Jan 6, 2026 if ordered today

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Powersports Crankshaft, Hot Rod Crank Polaris Scramble Sportsman 850

Part Number: HRI-4430

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Crankshaft Assembly, +4.000mm Stroke, Forged 4140 Steel, Each

Part Number: HRI-4259

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Crankshaft Assembly, Forged 4140 Steel, Each

Part Number: HRI-4049

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Crankshaft Assembly, Forged 4140 Steel, Each

Part Number: HRI-4050

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Estimated Ship Date: Dec 29, 2025 if ordered today

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