Crankshafts - 4.000 in. Engine Stroke (in.) - 24 Reluctor Wheel Tooth Quantity - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Summit Racing™ Pro LS Crankshafts SUM-180LS400024X

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 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Chevy LS 4340 Forged Steel Crankshaft, 4.000 stroke, 24X Reluctor, Lightened, Nitride Hardened, Narrowed Rod Bearings Req.

Part Number: SUM-180LS400024

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Crankshaft, 4140 Steel, Forged, 4.000 in. Stroke, Chevy LS1, 24-Tooth Reluctor, Each

Part Number: ESP-534640006100

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 5.7, 6.0L, Each

Part Number: ESP-434640006100

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 5.7L, Each

Part Number: SCA-4LS140062

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today