Store › Springfield 2" Taper-Lock Hi-Lo Bushing [2171035] Springfield 2" Taper-Lock Hi-Lo Bushing [2171035] $20.99 2" Taper-Lock™ Hi-Lo BushingReplacement bushing for the top of 2″ Hi-Lo posts. For use on models 2020 and earlier. Add To Cart Added! 2" Taper-Lock™ Hi-Lo BushingReplacement bushing for the top of 2″ Hi-Lo posts. For use on models 2020 and earlier.