N090-038 KUNFU 27mm Carburetor with Cable Choke for CG 150cc-200cc ATV, Dirt Bike & Go Kart. The item fits for CG150cc-200cc Vertical Engine. The material:Zinc and Aluminum. The inside diameter of catrburetor:27mm The outside diameter connected with air filter:40mm BRAND NEW PRODUCTS.BEST QUALITY GUARANTEED.