Eagle Chevrolet BB 4.000in Stroke Internal Balance Forged 4140 Steel Crankshaft

Eagle forged 4140 steel cranks feature a non-twist forging, .125" fillet radiuses for superior strength so chamfered / narrowed bearings required, nitrided surface and micropolished. Intended for competition use. Forged 4140 Steel Crank - CHEVROLET 454, INTERNAL BALANCE. Crankshaft must be balanced to match your specific Rods and pistons. CHEVY BB