The Edelbrock 1.66" exhaust valve for Pontiac applications is a one-piece, swirl-polished stainless steel valve with a hardened tip and undercut stem to increase flow. With an overall length of 5.110", this individual valve fits specified Edelbrock Pontiac cylinder heads and serves as a direct replacement for projects requiring improved exhaust flow in those applications.
Edelbrock 1- Pont Perf RPM 60579 Exh Valve 1 660 X 5 110