Piston Kit (Big Bore) for Yamaha Raptor 700 '15-'20

+3mm making 727cc with 9.2:1 compression piston

With the exception of a mechanic, the cylinder works big bore kit provides you with everything you need to transform your ATV from modest to monster in one box.

Stock appearance doesn't give the game away and will get people talking as you tear away.

Nickel silicon carbide and precision honed barrel is second to none.

Big bore cylinder kit contains:
All required gaskets, vertex big bore piston complete with rings, pin and circlips.