the narrow part which fits inside handlebar is 21mm diameter

extended shifter rod

10-21 Trike

96-13 FLHR/I

HD klammer till värmeskydd på 1-3/4"rör

S&S, TWIN CAM BREATHER VALVE Bendix/Keihin the narrow part which fitsReed style breather to fit S&S oil pump as used in all S&S T Series (Twin Cam style) engines and OEM pump in 03 10 OEM engines. Will tackle problems with OEM engines as Oil Carry Over (blowing oil out of the breather system), a common problem for years. Usually at sustained high speeds and worse with big inch engines. This problem can still be present in OEM Twin Cam engines. S&S designed this aluminum crankcase breather valve containing four steel