Cometic Top End Gasket Kit 3.875in Bore .040Thickness Street Glide 07 Cometic C9772 Top End Gasket Kit Harley 883 Evo Sportster '86 90 3.750 88cc Stage 1 Big Bore Top End Kit Honda Z50R XR50 CRF50 Pit Bikes 1988 90 100cc Cylinder Top End Kit 54mm Big Bore For Polaris 90 Sportsman. COMETIC StreetPro Kits cater to the budget minded street rodder who is looking to purchase a kit with all necessary gaskets and seals needed for their rebuild. StreetPro gasket kits are sold as a top end kits and bottom end kits. Purchase both top and bottom end kits for a total engine rebuild. Quality gasket materials are a priority in StreetPro kits. Kit materials include: MLS, AFM, Aramid Fiber, and Armor Clad. This Part Fits: Year Make Model Submodel 1994 2001 Acura Integra GS R 1997 1998,2000 2001 Acura Integra Type R