Introduced for competition engines where the increased rev limits or temperature can cause the
LUF10005 or
13H2934 to leak, this fits all minis except automatic. This is Mini Spares copy of the original gaco seal and is identified by numbers 1042 and 55 70 10 with crank rotation arrow
The factory changed the seal in 1992 to the type with the spring close to the back which has been known to slip off.
a clutch tool
CE12 is recommended to fit seal without damage