Universal Parts GY6 Cylinder and Head Kit cowl protector Professional Machining at Home: Designed

Professional Machining at Home: Designed to eliminate the need for expensive machine shop services

this complete unit replaces worn

This carburetor is generally tuned out of the box

take it on the go

Polini 90mm Performance Variator Kit comes with two sets of rollers to tune your steed to perfection

Universal Parts GY6 Cylinder and Head Kit cowl protector Professional Machining at Home: DesignedUniversal Parts Cylinder and Head Kit for 150cc GY6 4 stroke engines. Includes cylinder, piston, pin, circlips, rings, head gasket, base gasket and chain tensioner gasket. Please choose from 57. 4mm bore or 61mm bore from the drop down menu. *You may need to modify your engine case to accommodate the larger cylinder. Please Note: 61mm kit does NOT fit 161QMK 200cc engines! Bore: 57. 4mm or 61mm, choose in the drop down menu. Overall Height: 90mm