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The Cometic StreetPro top-end gasket kit for 2001–2004 GM 6.6L Duramax (LB7) provides head and sealing components for a 4.100in bore engine, including a .040in MLS cylinder head gasket. StreetPro kits target budget-minded street builders and combine MLS, AFM, aramid fiber and ArmorClad materials where applicable to deliver quality sealing across head and intake surfaces during a top-end rebuild.
Cometic Street Pro 01-04 GM 6.6L Duramax 4.100in Bore Top End Gasket Kit
