
The Cometic StreetPro top‑end gasket kit for Buick big‑block engines (4.385" bore) supplies MLS cylinder head gaskets and a comprehensive selection of seals and gaskets designed for rebuilds. StreetPro kits use quality materials including MLS, AFM, aramid fiber and ArmorClad, providing a cost‑conscious package with the common components needed for a top‑end restoration of compatible Buick V8 engines.
Cometic Street Pro GM 1970-76 455ci BUICK Big Block 4.385 Top End Gasket Kit