686 Pro Series Big Bore Kit


Fits: Raptor 660 01-05, Grizzly 660 02-07, Rhino 660 05-07

Part Number: bbk-686-pro
big bore kit

SKU: bbk_rhino686 Categories: ,


686 Pro Series Big Bore Kit

+2mm big bore kit, includes PRO Series JE Pistons complete piston kit and a Cometic top-end gasket kit. This kit is a nice ‘wake-up’ call for your 660 Rhino, Raptor or Grizzly. Available in 3 different compression ratios. This kit requires your stock cylinder to be bored and honed – if you’d like us to do that work, just contact us.

Additional information

Weight 3 lbs
Dimensions 10 x 10 x 10 in