25" platform

chances are it has been around long enough for a ham-fisted mechanic to cross thread a bolt or try and use standard hardware on your delicate CEI threads

Chrome plated polished allen screws and washers mount rocker box on all 1999-up Harley-Davidson Twin Cam 88 Dyna and FLT and 2000-up Twin Cam 88B Softail

nuts and washers used to mount shifter lever on all 1936-37 45s and Big Twins with handshift

and restorers around the world

High-Flow Washable Air Filter Element for 1988-2003 Harley Sportster #29331-96 Thread Size_1/2-13 25" platformCycle Standard air filter elements are washable and reusable. The filters are constructed of two sheets of aluminum wire mesh containing multiple sheets of cotton gauze. To increase the filtering capacity and performance the filters are oiled. The result is a filter that achieves high, almost unrestricted air flow while providing filtration levels needed to ensure long engine life. See Additional Information below for fitment.