Durability: Pro-X pistons are some of the most durable in the market
Heavy duty HOTCAMS timing chain for max durability under hard use
*Does not include oil seal or transmission seal kit
NOT THE HEAD
Unlike OEM head bolts
Rhino 660 Grizzly 660 102mm 11:1 CP Piston Big Bore Cylinder Top End Rebuild Kit Traxter HD5 Durability: Pro-X pistons are someC7798,4811M10200,4966M10200,5KM 11310 00 00,80 82600,80 82600,YF 11181 00 00,810852,191070043070,3YF 11351 00 00,3YF 11181 00 00,2C6 11603 00 00,93450 24028 00,3YF 11631 00 X0,3YF 11633 01 00,90201 102G9 00,90105 10649 00,90105 09648 00,C7798 EST,DPR 8EA90 00 00,3YF 11310 01 00,261528,261527,272149,M1016B,8507D200< Unlock the full power of your Yamaha 660 with this top of the line Big Bore Top End Kit. Squeeze every last ounce of power from your