Edelbrock #9752 Exhaust Valve is a 1.66" 1-piece, swirl-polished, hardened tip stainless steel valve with undercut stems for increased flow. Fits #60599 Cylinder Heads. +.120" Longer than Stock.
Edelbrock 1- Pont Perf RPM 60599 Exh Valve 1 660 X 5 230