The COMETIC StreetPro gasket kit for 2004–2006 Subaru EJ257 engines supplies the gaskets and seals needed for a budget-minded street rebuild, excluding the head gasket. StreetPro kits use quality materials such as MLS, AFM, aramid fiber and Armor Clad, and Cometic validates kit materials through dyno and assembly room testing to ensure durability and fit during engine reassembly.
Cometic Street Pro 04-06 Subaru EJ257 Gasket Kit Without Head Gasket