X-PRO 19mm Carburetor w/Cable Choke for 50 cc 70CC 90 cc 110cc 4-stroke ATVs Go Karts Carb Quad 4 Wheeler Dune Buggys Taotao SunL Coolster Please identify X-PRO NO. 1 China Motorcycle Parts Brand, Better Then OEM Parts. 19mm Zink / Aluminum Carburetor w/Cable Choke. Top Quality Guaranteed. PZ19 Zink / Aluminum Carburetor w/Cable Choke Intake internal diameter: 19mm; Air filter mount I.D.: 32mm; Air filter mount O.D.: 35mm; Bolt hole spacing length: 48mm; Compatible with 50cc 70cc 90cc 110cc 4-stroke ATVs & Go Karts; Increase the horsepower and airflow for your bike, and have more fun with the power at your finger tips.