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Chevy 350/400 Gen-1 small block V8 top-end gasket kit with a 4.165" bore and .066" MLS cylinder head gasket; includes carburetor and all steam holes. Provided as a top-end package for rebuilds or refreshes of Gen-1 small blocks. StreetPro kits prioritize quality gasket materials like MLS, AFM and aramid fiber; embossed outer layers and an adjustable stainless shim layer help manage sealing under varied flange and load conditions.
Cometic Chevy 350/400 Gen1 Small Block V8 Top End Gasket Kit-4.165in Bore-.066in MLS Cyl Head Gasket
