GY6 Fuel Injected High Altitude 171cc Performance Kit

 This is our all in one fuel injected 171cc High Compression/High Altitude kit. This kit will bring your 150cc engine from 7.5 hp to around 13 hp. The best thing about this kit is how easy everything is! We spent years dialing in this EFI kit. 3 wires installs it, and best of all it tunes it self tunes (auto tune), no need to deal with a carburetor and jetting. This kit is specifically tuned for the 171cc engine. Cold starts very easy, auto tunes for outside temperature and altitude. Just get on and ride, no baloney!  Choose your stator size in the drop down so the proper EFI magneto is supplied. This kit will come with a domed style piston. This raises the compression ratio. Its a must if you ride in an area that is 3000 feet or more above sea level. The higher you go in elevation, the more your compression is lowered. You can install this kit in a sea level engine no problem. Just know you will need a high torque starter and performance starter clutch. The high altitude people won’t