K&N Engineering RC-1920 Universal Round Tapered Air Filter - Chrome End Cap riding-apparel-suits-street 1999-2016 Harley Davidson FLHR Road

1999-2016 Harley Davidson FLHR Road King

2012 Suzuki RM85

2017-2018 KTM 50 SX Mini

2006 Polaris Trail Blazer 250

2017-2018 Harley Davidson FLHR Road King

K&N Engineering RC-1920 Universal Round Tapered Air Filter - Chrome End Cap riding-apparel-suits-street 1999-2016 Harley Davidson FLHR RoadMounting Flange Inside Diameter 2 1 8in. MM 55, Filter Outside Diameter 2in. x 3 1 2in. MM 51 x 89 Filter Length 4in. MM 102, Flange Length 5 8in., Flange Type Centered. When selecting one of K&Ns universal round tapered air filters, you should consider the following dimensions as they relate to the specification chart:. Mounting Flange Inside Diameter This is the most critical dimension and should be very close to the diameter of the applications