New! UK Made Triumph CEI Tappet Adjuster Net Set. You will get a total of four tappet adjuster nuts as pictured. Want the best quality tappet adjuster nuts? Well here it is! Made in England to complete factory specs! Thread pitch of these nuts are 5/16″ x 26 (CEI). Fits a wide range of Triumph 650 & 750 Unit & Pre-Unit models from approx 1955-1978. Also fits various BSA A50 & A65 models! Please refer to your parts catalog for proper fitment.Made in the UKO.E.M Part number is 70-0470, E0470, 24-0563 or 40-0164