Eagle Crankshaft 534740006100; Forged 4140 Steel 4 in. Stroke 58t for Chevy LS. Material:Forged 4340 Steel. Stroke:4.000 in. Eagle forged 4340 steel Cranks feature a non-twist forging. 125" fillet radiuses for superior strength so chamfered / narrowed bearings required, nitrided surface and micropolished.
