They said that it could not be done! We said do it! We constructed this custom caliper kit from different factory ate caliper kits and then had five additional seals made and came up with great instructions so anyone can do it themselves! May also need outer adjuster cap nut (914 352 900 aa); outer adjuster lock nut (914 352 900 ab); small 8 mm outer adjuster (914 352 423 b); large 10mm outer adjuster (914 352 423 d); inner cover o-ring (914 352 900 ac); outer adjuster c-clip (914 352 900 ad); inner adjuster (914 352 423 a); inner adjuster cap (914 352 423 c); brake pin clips (901 351 955 10); bleeder nipple (901 352 977 10); bleeder nipple cover (211 611 483); rear brake pad clip (311 615 269).