EGR Valve Adapter Kit: Chevrolet 1973 and later std 4bbl (6069)
... Kit: Chevrolet 1973 and later std 4bbl
In order to meet Federal Emissions Standards, most 1973 and ... While some modifications are necessary on other brands of manifolds, all Offenhauser
360, DUAL PORT 360, and Port-O-Sonic manifolds will be ...