Edelbrock #9766 Exhaust Valve is a 1.60" 1-piece, swirl-polished, hardened tip stainless steel valve with undercut stems for increased flow. Fits 60229, 60259, 60329, 60359, 60989, AMC, SB Chevy Cylinder Heads
Edelbrock 1- Ford 60259 60359 Exh Valve 1 600 X 4 929