Eagle 439637666135; Forged 3.766 Stroke, 2pc Rear, 6.135 in. Rod for 396/427 BBC. Material:Forged 4340 Steel. Stroke:3.766 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.
