YAMAHA FZR600 89 ~ 94 part number: C8282 new Product Details bore: 60.5mm Material: spring steel Corresponding emissions: 600-629cc ""COMETIC"" is the most major gasket professional manufacturer in the United States. WISECO and has a OEM supply also to prominent piston manufacturers, such as the beginning ARIAS, it has been adopted as each specified by the manufacturer of the genuine products. ■ Spiring Steel