Heart Horse 20mm Carb Isolater PZ16 /19/20 Carburetor Intake Gasket O Ring O-Ring Spacer Pit Dirt Bike 4-Stroke 110CC 125CC Easy install, durable Durable and stretchable PZ16,19, 20 Carburetor Fits 90cc, 110cc & 125cc 4-stroke bikes Fits most China import Pit / Dirt bikes