K&N Engineering RU-0810 Universal Round Straight Air Filter - Rubber End Cap engine-engine-covers-clutch-covers Torx button head 3/8in

Torx button head 3/8in

2003-2006 Sea-Doo GTX 4-TEC Wake

2013 Can-Am Spyder RT (SE5)

1984-1986 Kawasaki KL600

2000-2005 Harley Davidson FLSTF Fat Boy

K&N Engineering RU-0810 Universal Round Straight Air Filter - Rubber End Cap engine-engine-covers-clutch-covers Torx button head 3/8inMounting Flange Inside Diameter 2 7 16in. MM 62, Filter Outside Diameter 3 1 2in. MM 89, Filter Length 5in. MM 127, Flange Length 5 8in. Flange Type Centered. When selecting one of K&Ns universal round straight 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 inlet flange.