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This Eagle forged 4340 steel crankshaft for Chevrolet LS engines delivers a non-twist forging with .125" fillet radiuses, a nitrided surface and micropolished finish for demanding use. Offered with a 4.375" stroke and a 58‑tooth reluctor, it’s built for high-load applications where strength and precise geometry matter; chamfered or narrowed bearings may be required due to fillet sizing.
Eagle Chevrolet LS 4340 4.375in Stroke 58 Tooth Reluctor Forged Crankshaft
