Edelbrock 1- Ford Perf 5 0 Int Valve 1 900 X 5 090

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 The Edelbrock #9763 Intake Valve is a 1.90" 1-piece, swirl-polished, hardened tip stainless steel valve with undercut stems for increased flow. Fits Edelbrock #60379 Cylinder Heads. Edelbrock Performer RPM Nitrous Plate Kit #70061 is for use with spread-bore carburetors and capable of 100-250 horsepower. -:V8:302 (5.0L)-351W (5.8L)