For the front and rear of all early cars up to 1984 and except those with spacered rear drums fitted which took the longer rear stud 21A1278.This popular stud has found its way on any year mini and lengths being the only deciding factor. This one is 35mm long shank from under the head of the bolt with 22mm thread.
50mm shank length from under head of stud with 29mm long thread, Used in our spacer kits (our CW1).
This is the correct length for all minis using the rear spacered type drum which was fitted to all Cooper "S" 1275GT and every mini from 1984 to 1996 except the ERA Turbo and Sportspac cars which had 13" wheels. Stud shank length from under head of bolt is 55mm with 20mm thread. Next size up is ENJO-1039.
This is the same length as ENJO1039 but has a shorter thread length. Fitted as standard on Sportspack minis.
these are the special spacer type bolt that are in the BG4001 kit. they screw on the original stud to give the extension