Edelbrock 1.66" exhaust valves are offered here as an eight-pack for select Pontiac-style applications. These one-piece, swirl-polished stainless steel valves feature hardened tips and undercut stems for increased flow and measure an overall length of 5.110". They are specified to fit particular Edelbrock cylinder heads and provide a full set of exhaust valves for compatible Pontiac builds.
Edelbrock 8- Pont Perf RPM 60579 Exh Valves 1 660 X 5 110