PZ20 Carburetor for 50 cc 70cc 90 cc 110cc ATVs Dirt Bikes Go Karts Carb Quad 4 Wheeler Pit Bike SSR Coolster Roketa Taotao SunL PZ20 Carburetor. Top Quality Guaranteed. Limited Time Offer! New PZ20 Carburetor Fits Chinese 50cc-110cc ATVs, Go Karts with Horizontal Engine Valve lever diameter: 5mm; Intake Pipe Diameter: 20mm; Bolt hole spacing: 48mm; Air Filter Outer Diameter: 32mm