Acuity Shift Linkage Bushing Upgrade for the 2007-2017 Honda Civic Si, 2007-2017 Civic (MT), 2015-2017 Honda Fit (MT) Acetal construction for low friction and improved shift engagement Spherical bearing reduces wear on cables and provides smoother gear engagement O-rings are installed on both bushings for a gap-free fit with your shifter cables, further reducing shifting slop Stainless steel hardware for maximum resistance to corrosion All bushings are laser etched with a unique serial number