Raptor 660 Big Bore Head Complete Gasket Seal Kit Gaskets Seals Top Bottom 102mm
*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.