The Mikuni airbox adapter allows fitment of the OEM Harley-Davidson airbox or any aftermarket air filter system with an OEM Harley-Davidson bolt pattern.  The adapter presses over the carburetor throat and seals with a rubber o-ring.  The OEM Harley airbox or filter kit with OEM Harley bolt pattern then bolts up to the outer ring.  This is the same adapter included in all Mikuni Easy kits.

Includes:
-o-ring
-adapter plate with OEM Harley-Davidson bolt spacing
-airbox mounting screws