Description & Size Guide
Used to mount 93-99 head vented Evo Feuling BA air cleaners to a crankcase vented 84-92 Evo Big Twin.84-92 Evo engines use smaller 5/16" bolts and do not breath through the cylinder heads/rocker boxes. 93-99 Evo engines use larger 1/2" breather bolts. Only compatible with Harley CV carburetors or Mikuni HSR42/45 with CV air cleaner adapter. Will not fit 86-earlier Keihin Butterfly carburetors or S&S carburetors. MADE IN THE USA. Note: Special Order Product only. To order please contact your MCS sales representative.
84-92 Big Twin with 93-99 B.T. Feuling BA air cleaners (NU)
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