Part No54-462Best+Lloyd type 2mm thick ,36mm diameter Oil Sight Glass and gasket kit36 mm diameter Oil Sight Glass- hardened glass,2 mm thick upper gasket made from neoprene impregnated cork1 mm thick base gasket made from neoprene impregnated corkThree sets of gaskets per kit (6 gaskets in total)Only one set of gaskets are required for the installation. The other two sets are spares for the futureThe 2mm thick glass plus the 2mm+1mm thick gaskets (in their uncompressed state) allow enough spare thread space on the pump cup after gasket compression post the final assembly tightening up processNB. If your motorcycle is a Sunbeam then consider using the Glass and gasket set Part Nr 75-462 which has a different base gasket to cope with the grooves on the cup rim of some Sunbeams
