Description: Aftermarket 100% brand new. 1 set includes an intake manifold spacer, a gasket and an O-Ring. Made of high quality durable plastic. Mainly used on Chinese Made Dirt Bikes,Pit Bikes. Fitment: for 50cc 70cc 90cc 110cc 125cc ATV Dirt Bike scooter carburetor. Specification: Material: Plastic Opening diameter: Approx. 19mm / 0.75 inch Distance Between Screw Holes: Approx. 48mm / 1.89 inch Package Includes: 1 Set Carburetor Gasket O Ring Spacer,includes: 1 Piece Carburetor Intake Gasket 1 Piece Carburetor Intake O-Ring Note: 1.Please allow slightly difference due to manual measurement. 2.This isolater wont fit on GY6 moped scooter carburetors