Cylinder Piston Gasket Top End Rebuild Kit for Yamaha Raptor 660R YFM660 2001-05. 686cc 102mm Big Bore Cylinder Piston Gasket Ring For Grizzly 660 YFM660 2002-08.Lightweight Aluminum Cylinder Body with High Strength Steel Sleeve. Piston Is Manufactured From High-Grade Cast Aluminum For Superior Life Expectancy. Base Gasket, Head Gasket, and O-Ring Included for Seamless Installation. Engineered and Tested to Exceed Original Equipment Standards and Performance. Complete 686cc Big Bore Cylinder Kit.
102.00mm x 84.00mm. Easy To Assemble and Use. Includes High-Compression Hardened Aluminum Piston Kit, Gasket Kit and More. 1x Complete Set Of Rings. Just like the picture shown.