Availability
Crankshafts
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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
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
BUILD IT WITH SUMMIT!
Summit Chevy LS 4340 Forged Steel Crankshaft, 3.622 stroke, 58X Reluctor, Gun-drilled and Lightened, Nitride Hardened, Narrowed Rod Bearings Req.
Part Number: SUM-180LS362258
Not Yet Reviewed
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, 3.480 in. Stroke, Chevy, 350, Each
Part Number: SCA-910442
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Crankshaft, 1-Piece Seal, Internal/External Balance, Cast Steel, 3.48 in. Stroke, Chevy, Each
Part Number: ESP-103523480
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Crankshafts, Magnum, 4340 Steel, 4.00 in. Stroke, Internal Balance, 58X Reluctor, 1-Piece Main, 2.10 in. Diameter Journal, Lightened, Chevy, LS, Each
Part Number: CPI-APO31V-MG
Not Yet Reviewed
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Crankshaft, 4140 Steel, Forged, 4.000 in. Stroke, Chevy LS1, 24-Tooth Reluctor, Each
Part Number: ESP-534640006100
Not Yet Reviewed
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Crankshaft, Remanufactured, Nodular Iron, 3.622 in. Stroke, 0.010 Undersize Bearing Required, 24-Tooth Reluctor, Chevy, LS, Each
Part Number: SUM-180362
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.480 in. Stroke, 2.100 in. Pin, Chevy, 350
Part Number: CPI-SAF113-CM
Not Yet Reviewed
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Crankshaft, 2-Piece Seal, External Balance, Cast Steel, 4.25 in. Stroke, Chevy, 454, Each
Part Number: ESP-104544250
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Summit Chevy LS 4340 Forged Steel Crankshaft, 3.622 stroke, 24X Reluctor, Gun-drilled and Lightened, Nitride Hardened, Narrowed Rod Bearings Req.
Part Number: SUM-180LS362224
Not Yet Reviewed
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Crankshaft, Cast Steel, 3.400 in. Stroke, External 28 oz. Imbalance, Ford, Each
Part Number: ESP-103023402
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Crankshaft, 1-Piece Seal, External Balance, Cast Steel, 4.00 in. Stroke, Chevy, 454, Each
Part Number: ESP-104564000
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Crankshaft, 28 oz.External Balance, Cast Steel, 3.00 in. Stroke, Ford, 302, Each
Part Number: ESP-103023000
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, 3.75 in. Stroke, Pontiac, Each
Part Number: ESP-104013750
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chrysler, 360, Each
Part Number: SCA-436020
Not Yet Reviewed
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Crankshaft, 2-Piece Seal, External Balance, Cast Steel, 4 in. Stroke, Chevy, Big Block, Each
Part Number: ESP-104544000
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.766 in. Stroke, Chevy, 396, 427, Each
Part Number: ESP-439637666135
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Crankshaft, Internal Balance, Forged 4340 Steel, 3.48 in. Stroke, Chevrolet, Small Block, Each
Part Number: MAN-190310
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.250 in. Stroke, Chevy, 327, Each
Part Number: ESP-435032505700
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Crankshaft, 1-Piece Seal, Internal Balance, Forged 4140 Steel, 4.000 in. Stroke, 58-Tooth Reluctor, Chevy, LS, Each
Part Number: ESP-534740006100
Not Yet Reviewed
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.000 in. Stroke, Chevy, 302, Each
Part Number: ESP-435030005700
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 3.622 in. Stroke, Chevy, LS, Each
Part Number: ESP-434736226100
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Crankshaft, 2-Piece Seal, External Balance, Cast Steel, Ford, 428, 3.980 in. Stroke, Each
Part Number: ESP-104283980
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Crankshaft, Internal Balance, Forged 4340 Steel, 3.00 in. Stroke, Ford, 302, Each
Part Number: ESP-430230015090
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Summit 4340 Forged Crankshaft, SBF Windsor, 3.000 in Stroke, 28 oz. Balancer, Narrowed Rod Bearings, 1.375 Pilot Bearing, Designed for 5.090 in. Rod
Part Number: SUM-SBF3023000E
Not Yet Reviewed
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
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