GZP Shaft extension FXD06-11 FLH/T07-

This is the compensator as it was stock on 2006-2011 Dyna, 2007-2011 FLST, FLSTC, FLSTF, FLSTFB FLSTN, FLSTSB, FLSTSC, FLSTSE, FXST, FXSTB, FXSTC, FXSTD & FXSTSSE Softail, 2007-2010 Touring and 2009-2010 Trike and is used with an alternator rotor that has a spring cup on the outside. If you have an alternator rotor that is flat on the outside your bike has been subject to a factory update or has been equipped with a Screamin' Eagle or ZPN 241275 compensator.