These bushings install at the 4 mounting points that affix the shifter to the chassis. This bushing kit replaces the OEM rubber bushings with rigid 6061-T651 aluminum making for a much more decisive shift, even with a stock shifter. As an added touch, the bushings are coated in an anodized finished, laser-etched and paired with class 12.9 flat-head mounting bolts. Fitment '01-'05 HONDA Civic (non-Si mt) '02-'06 ACURA RSX (all mt) '04-'14 ACURA TSX (all mt) '12-'15 HONDA Civic (all mt)