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The Cometic StreetPro top‑end gasket kit for a Honda B18C1 head on a B20 block hybrid includes a .030" MLS cylinder head gasket sized for an 84.5mm bore and provides the required gaskets and seals for a rebuild. StreetPro kits use MLS, AFM, aramid fiber, and Armor Clad materials; the MLS construction employs embossed stainless layers with AMP coating to conform to harsh sealing environments and load conditions.
Cometic Honda B18C1 Head-B20 Block Hybrid Top End Gasket Kit-84.5mm Bore-.030in MLS Cyl Head Gasket
