62mm Big Bore kit for your GY6 150cc
Turn that 150 into a 180cc!

62mm Nicasil Cylinder is made exclusivly for us in Taiwan for the best quality we can get!
Nicasil , electrodeposited lipophilic nickel matrix silicon carbide coating, runs cooler which is mandatory when doing a BB kit so you don't blow the motor from overheating it.
Nikasil is widely used in racing engines, including those used in Formula One and ChampCar!

Includes a 62mm Nicasil Cylinder, High Compression Piston and quality race pro Ring set with wrist pin, cir clip and head gaskets.

A complete upgrade for more top end and power.

*You will need to bore your case for this mod and install a larger carb as well.
We also suggest, only a certified mechanic attempt this.
Once you do though, you'll love the "new you"! You can get even more out of this kit by adding our 62mm Crank or our NEW 66mm Super crank and a PE28 Carb and whoop up on 250cc's!!