175cc GY6 Big Bore Kit - 62mm Piston/Cylinder

ABOUT BDX PERFORMANCE BDXP is the leading USA technical expert in the Chinese vehicle off road market. Our engineers and technicians have helped thousands of people in the past twenty years keep their vehicles running. We have a full machine shop where we manufacture performance parts and engines to get maximum performance out of your vehicle. DESCRIPTION  Turn your GY6 150cc into a 175cc screamer! Installation requires crankcase to be split and professionally machined. We offer send-in case machining services in our machining services catalog. See our other replacement and big bore kits Requires Case Machining 62mm Cylinder 62mm Piston, pin, clips & rings Head gasket and Base gasket Send us your case and we will bore it out for you!  Click here for details GUARANTEED FIT FOR THE FOLLOWING VEHICLES   SPECIFICATIONS