FITS ALL YAMAHA RAPTOR 660 MODELS AND YEARS!

Complete top and bottom end gasket kit102mm MLS head gasketCrankcase oil sealsWater pump mechanical sealValve stem sealsFits all 102mm cylinders
Please check your order thoroughly when you receive it and contact us if you have any issues at all. If you are not 100% happy with what you receive you are welcome to return it for a full refund, not questions asked! Thanks!!

*We recommend that this be installed by a qualified mechanic with experience doing this type of work. Piston comes with specific instructions for setting ring gap. Failure to follow these exactly will result in motor failure. Warranty does not cover any failure that is a result of improper installation, improper break in, improper tuning, or misuse. For any warranty to be considered the part(s) in questions must first be sent to us for inspection. We can not warranty anything based on phone calls or photos alone.