Edelbrock 8- Pont Perf RPM 60599 Exh Valves 1 660 X 5 230

1-piece, swirl-polished, hardened tip stainless steel exhaust valves with undercut stems for increased flow. Hard-chromed valve stems are 11/32in. except where noted Edelbrock #9753 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 part #17932 is a 255 Liter/Hr., in-tank fuel pump for the 1985-1997 Ford Mustang (except for 1996-1997 Mustang Cobra). Pontiac:-:389 (6.4L)-455 (7.5L)