Poweka Carburetor Kit for 43cc 47cc 49cc 50cc 2 Stroke Engines 15mm Intake Hole Mini Pocket Bike Chopper Atv Quad Dirt Bike Super Gas Scooter Bike with Primer Bulb and Gasket for 33cc 43cc 47cc 49cc 50cc 2 stroke carburetor Fits pocket bike, atv, stand-up scooters, dirt bikes, mini-choppers Venturi side opening: 15mm Bolt hole spacing: 31mm or 1- Inches Package including 1 caburetor + 2pcs of primer bulb + 1 gasket