CHROME REPLACEMENT STRUTS FOR BIG TWIN AND SPORTSTER SWINGARM FRAMES (sold as pairs) Replaces the shocks on swingarm Big Twin and Sportster frames. They are required to provide the necessary clearance for the rear pipe on some swingarm Sportster exhaust sets (Paughco #’s 719B2, 719B2AS, 719B2FS and 719B2SS). REPLACEMENT STRUTS FOR EARLY MODELSReplaces shocks on early model Big Twins and stock 1957–1974 swingarm Sportster frames. Use with shock studs #316 and #320 to install. Part# and Description313 12" eye-to-eye with 5/8" hole diameters 313B 13" eye-to-eye with 5/8" hole diameters REPLACEMENT STRUTS FOR LATE MODELSReplaces shocks on late model Big Twins and stock 1975–1978 swingarm Sportster frames. On Big Twins, mount these struts with the year-appropriate studs. On Sportsters, mount these struts with one pair of Paughco #319 lower shock studs and one pair of Paughco #319-1 upper shock studs. Part# and Description 313A 13" eye-to-eye with 1/2" hole diameters 313C 12" eye-to-eye with 1/2" hole diameters313D 11" eye-to-eye with 1/2" hole diameters
