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.
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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.