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Chevy LS 4340 Forged Steel Crankshaft, 4.000 stroke, 24X Reluctor, Lightened, Nitride Hardened, Narrowed Rod Bearings Req.
Part Number: SUM-180LS400024
Estimated Ship Date: Monday 7/14/2025
Estimated Ship Date: Monday 7/14/2025
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Gen. 4 BB Chevy Forged Steel Crank, 4.250 stroke, Two Piece Rear Seal, Req's Narrowed Rod Bearings, Lightened holes, Nitride, 6.385 in. Rod
Part Number: SUM-BBC425063851
Estimated Ship Date: Monday 7/14/2025
Estimated Ship Date: Monday 7/14/2025
SB Chevy Forged Steel crankshaft, 4.000 Stroke, 400 Mains, 2 Piece Rear Seal, Req. Narrowed Rod Bearings, Lightened, Nitride, 6.000 in. Rod
Part Number: SUM-SBC4004000
Estimated Ship Date: Monday 7/14/2025
Estimated Ship Date: Monday 7/14/2025
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Summit Racing™ Forged Crankshafts SUM-BBC425063851
