Edelbrock 1- Chev E-Tec 170 Intake Valve 1 940 X 4 910

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 #9774 Intake Valve is a 1.94" 1-piece, swirl-polished, hardened tip stainless steel valve with undercut stems for increased flow. Fits Edelbrock #60979 Cylinder Heads. Edelbrock Performer RPM Q-Jet Intake Manifold for Chevrolet 396-502 Big-Block V8. Chevrolet:Small-Block Gen I:262 (4.3L)-400 (6.6L)