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 #9785 Intake Valve is a 2.08" 1-piece, swirl-polished, hardened tip stainless steel valve with undercut stems for increased flow. Fits Edelbrock #77619, #77629, #77639 & #77649 Heads.
Edelbrock Performer RPM Upgrade Kit #70021 includes everything needed to upgrade Performer nitrous systems to a Performer RPM system. This system is for use with square-bore carburetors and has silver powder coated bottle.
Chevrolet:Small-Block Gen I:262 (4.3L)-400 (6.6L)