REAR SUBFRAME COMPETITION POLY BUSH ( SET4 SMALL)

The Mini's rear subframe is rubber mounted. Polyurethane (stiffer, much longer lasting) bushes are now available for the rear subframe trunions. Cars manufactured before 1976 used the same bush 2A5818 8 required (C-STR638) 2 kits of 4 req  

Starting in 1976 (MKIV) the front trunion bush was enlarged, that bush (21A2560 Two Required ) is now available in a harder format (C-STR639 Sold as a Pair). These later cars use 4 of each 2A5818 sold each                             (C-STR638 set of  Four) and 2 of 21A2560 ea 2 required  (C-STR639 sold as a pair).