M Part number is 42-8051 or 42-8049
Triumph 650 & 750 Twins from 1968-1978
Without this stud
* Top Quality 1971-1972 Triumph & BSA Oil In Frame Twins Sump Filter
BSA / Triumph Clutch Spider Cush Rubbers (8) - 57-2723 - B40 / B25 / B44 / TR25W 1963-1982 M Part number is 42-8051New Top Quality English Made BSA & Triumph Unit Singles Clutch Hub "Spider" Rubber Buffer Cush Rebound Complete Set Finally! Now there is no need to Settle with your Worn Out Cush Rubbers! Rebuild your Clutch the Correct way the First Time! You will notice the Difference! Fits all BSA Unit Singles (C15, B40, SS80, SS90, B44, Victor, B25, C25, Star Fire, B25SS, B50, Etc) from 1959 1973. Also fits Triumph Unit Singles (TR25W Trophy, Trail Blazer, T25T,