cylinder kit Naraku 160cc 58.5mm for 4-stroke GY6, Kymco AC

160cc big bore kit for GY6 125/150cc + engines. The bore is 58.5 mm. Kit is suitable for all air-cooled 4 stroke 125-150cc Kymco engines (scooters), and most Chinese imported vehicles 125/150cc (scooters, quads and buggies) This cylinder can be used with the original cylinder head. And if that wasn’t enough, a modified camshaft with adjustable timing is also available. Supplied as shown. Select if needed spare parts Please bottom of the list. Please note: If purchasing this kit for the Sym 125cc scooters, please ensure your engine is the GY6 version (cylinder head stud holes have a distance of 63mm hole to hole, outside to outside measurement).