Air out muffler gasket connects the cylinder body to the exhaust. Also known as air out spacer or exhaust gasket. Stud hole spacing is 40mm.
Our gasoline operated products are NOT compliant with Environmental Protection Agency ( E.P.A. ) or California Air Resources Board (C.A.R.B) for the use on/off Public roads. Upon purchase, the buyer agrees to use products for racing (closed-course competition) only and NOT for on/off public roads.