This is a brand new rocker box stud set. 1/4" dia X 1" long with a thread pitch of 20 x 26 TPI.

Part number: 70-2980, 31-0222, 70-8012 stud (quantity of 6)               
                      70-3302 washer (quantity of 6)
                      82-0879 nut (quantity of 6)               
                 
Fits: Triumph T120, TR6 unit from 1963-70
        
      
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