Universal Parts GY6 Cylinder and Head Kit cowl protector Patented sliding shape prevents flat

Patented sliding shape prevents flat spots common in round rollers

Bead: wire

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

this complete unit replaces worn

Overall Length: 13 inches (330mm)

Universal Parts GY6 Cylinder and Head Kit cowl protector Patented sliding shape prevents flatUniversal 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