Fit For 22mm Pipe For 50cc 70cc 90cc 110cc 125cc For Pit Dirt Bike ATV Motorcycle Spare Parts Fit For 50cc to 125cc For pit dirt bike atv motorcycle carburetor connection positions aligns with cylinder carb flanges; mounts without pipe edges forms smooth passage for fuel mixture to maintain steady throttle response crafted from sturdy rigid material with polished inner wall to lower flow resistance adopts standard 22mm inner bore size matching port dimensions