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The Cometic StreetPro top-end gasket kit for Honda B20 hybrid builds supplies all necessary gaskets and seals to service a B20 block paired with a B18C1 (GS-R) head. Materials include MLS, AFM, aramid fiber and Armor Clad, and the kit features a .030" MLS cylinder head gasket sized for an 84.5mm bore. It’s positioned for budget-minded street rebuilds needing reliable gasketing.
Cometic Street Pro Honda Hybrid B20 Block w/ GS-R Head 84.5mm Top End Kit
