Size:Carburetor manifold inner diameter:36mm/1.41"Air filter outer diameter:55mm/2.16". This Carburetor replacement for 2004 2005 2006 2007 Arctic Cat 500 Carb 4x4 Related series models. 100% percent new items,never used before,un-opened,new package. Good at mixing fuel and air to keep the engine running smoothly and prevent the engine from running out of oil or spilling.
