Raptor 660 102mm 686 Big Bore Cylinder Wiseco Piston Cometic Top End Rebuild Kit

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 Yamaha 660 with this premium 686cc top end kit. The large 102mm +2mm bore size and top tier piston kit deliver a serious boost in horsepower and torque, This kit is engineered to handle the demands of high-performance riding, ensuring your Yamaha 660 can tackle the toughest terrain with confidence.

Fits Yamaha Raptor 660 / Rhino 660 / Grizzly 660 - All Years and Models

Drop In & Bolt On Ready. No case modification required.

The Best Parts In The Industry, At The BEST Price!

BPRATV Cylinder / Wiseco Piston / Cometic Gaskets

Kit Includes:

• BPRATV 102mm +2mm Big Bore Cylinder (1 year warranty)*
• Wiseco 102mm Big Bore Forged Piston Kit (includes OEM spec piston rings, wristpin, and circlips)
• Cometic Top End Gasket Kit with 102mm Big Bore MLS Head Gasket

1 year warranty for your peace of mind*