Edelbrock 8 Exhaust Valves 1 60 77169 77179 77189 77199 Heads

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 #9373 Exhaust Valve is a 1.60" 1-piece, swirl-polished, hardened tip stainless steel valve with undercut stems for increased flow. Fits #77169, 77179, 77189, 77199, 77359 Cylinder Heads Edelbrock part #178010 EFI Diaphragm & Hardware Rebuild Kit (for use with #1728, #1729, #174021, #174022, #174023, #174041, #714042, #174043). Ford:Small-Block:289 (4.7L)-351W (5.8L)