New 4-piece AIR/EGR block off kit for Camaro/Firebird LS1 exhaust/intake manifolds. Kit includes billet aluminum plates, gaskets and stainless hardware for EGR/AIR ports on exhaust manifold, steel plug and stainless bolt for EGR port intake manifold. Fits the following:
98-00 LS1 Camaro
98-00 LS1 Firebird/Trans Am
NOTE : These can be used on most aftermarket headers, HOWEVER, each brand uses their own thread, so the included hardware may not work on aftermarket headers, as the included hardware is for OE manifolds.