51MM Cone Filter Rubber Top. You see this very cool big air filter mounted on big two cylinders like a CX or a BMW Boxer. (Please measure the diameter)
Diameter: Internal Diameter 51 mm
ID: 51 mm
Length: 91 mm
Outside Diameter Big: 80 mm
Outside Diameter Small: 51 mm
Flange: 16 mm
Top Style: Rubber top
The filters are washable. Oil them in and you can re-use the filters again.
The filters are priced per piece.