High performance Carburetor, meets or exceeds OEM standards, 100% tested before shipping??Fit Models: s 4 stroke ATVs, Go kart UTV under 49cc, Buyang, Coolsport, Lifan, Kazuma, Honda, Redcat, Eagle 50cc 70cc 90cc 110cc 125cc 135 ATV Quad Go kart Specification: Inlet Inner Diameter: 22mm, Bolting Hole Distance: 48mm, Air filter Mount I.D.: 28mm, Air filter Mount O.D.: 34mm.Package include: 1x Carburetor set as images displayFit Models: s 4 stroke ATVs, Go kart UTV under 49cc, Buyang, Coolsport, Lifan, Kazuma, Honda, Redcat, Eagle 50cc 70cc 90cc 110cc 125cc 135 ATV Quad Go kart Specification: Inlet Inner Diameter: 22mm, Bolting Hole Distance: 48mm, Air filter Mount I.D.: 28mm, Air filter Mount O.D.: 34mm.