Carburetor 50mm Air Filter Clean Velocity Stack CNC Aluminium Alloy with SUS304 Mesh For PWK 21-30mm PE28-30mm Carb(Red,50mm-H20)

90% of The stacks on Amazon are too tall to fit under the frame. After returning half a dozen of them, I got these and they fit. https://a.co/d/0edclMyp But like I said, check the jets first.