Fuel / Air Power Pack for 125cc – 150cc GY6 Scooters, ATVs, and Go KartsBy popular demands, we have put the best fuel and air power package for your 150cc GY6 engine need. With a bigger carb (28mm, 30mm, 32mm), high performance air filter, and intake manifold, you will get the extra boost in fuel and air your moped scooter, ATV, or go kart has been starving for.INCLUDES: Flat Slide Carburetor (comes in 28mm, 30mm, or 32mm)High Performance Air FilterHigh Performance Chrome Intake Manifold (30mm or 32mm)We have combined these high performance products together because it does take all three to get what you are looking for in a perfomance upgrade that gets the job done.**Note: You will have to replace your throttle cable in order to use the flat slide carburetor.