Are you looking for a bigger carburetor for your GY6 and want to increase the performance? This is a simple purchase kit. Comes with a OKO flare slide carburetor, Uni pod air filter, and the larger intake manifold.
You choose your carburetor size 28mm or 30mm
30mm (for 170cc or larger big bore kit)
28mm (170cc carburetor at high altitude. Or great 150cc sea level performance carburetor)
Note: You will need a throttle cable