NCY, Gear Set (15*37); GY6 150cc

GY6 Up-gear kit. 7.4% up-gear. 50 ton gear press required for install. Get the most out of your big bore kit, with increased top speed and a more usable rev range.

20mm W x 20mm I.D

Important Parts Notice: Not all replacement or upgrade parts come with instructions. It is the customer's responsibility to have common knowledge of the installation or hire an experienced installer. We are not responsible for any damage that may be caused by any of the items we sell, whether installed by you or a professional. We are not required to provide step-by-step instructions or technical support. In any case, we will always do our best to help you with any technical question you may have. Electrical parts are non returnable and the buyer assumes all risks.

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