Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
Cometic StreetPro top‑end gasket kits are packaged for budget‑minded street builders and include the gaskets and seals needed for a top‑end rebuild. Kits use quality materials such as MLS, AFM, aramid fiber and Armor Clad to provide durable sealing for common small‑block crate motors like the Chevrolet ZZ4 Gen‑1 with a 4.080 in. bore and a .040 in. MLS head gasket included for reliable street use.
Cometic Street Pro GM Small Block ZZ4 Crate Motor 4.080 Top End Kit
