Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
The Cometic StreetPro top-end gasket kit for Chevrolet Mark‑IV Big Block V8 (4.350 in bore, 0.040 in MLS head gasket) provides the head gasket and sealing components needed for a top-end rebuild. StreetPro kits balance affordability with quality materials—MLS, AFM, aramid fiber and armor-clad parts. The embossed MLS layers are tailored to meet challenging sealing environments, conform load distribution and reduce clamp-induced bore distortion.
Cometic Chevy Mark-IV Big Block V8 Top End Gasket Kit-4.350in Bore-.040in MLS Cylinder Head Gasket
