Cometic Gasket C3270-EST EST Top End Gasket Kit - 96mm Bore seats-seat-accessories DD7 door bearings are 28%

DD7 door bearings are 28% wider than stock

2003-2005 Gas Gas Wild HP 300

2011-2017 Ski-Doo Renegade Backcountry E-TEC 600 HO

1987-1995 Kawasaki VN1500A Vulcan 88

5mm or 11/32 of an inch

Cometic Gasket C3270-EST EST Top End Gasket Kit - 96mm Bore seats-seat-accessories DD7 door bearings are 28%Includes valve stem seals. EST (Extreme Sealing Technology) gasket kits include embossed stainless steel head, base and rocker gaskets covered with a proprietary rubber material. Head gasket material allows heat to be drawn away from the combustion ring and dissipated evenly across the gasket surface to eliminate hot spots and gasket failure. Sets contain all the necessary gaskets, seals and O rings to rebuild the top end from the cylinder base