New English Made Triumph 350 & 500 Unit Twins Rocker Oil Feed Line Acorn Dome Nut. This New Dome Acorn comes with a nice Zinc plated finish. Measures 5/16″ with a thread pitch of 26 (CEI). Correct for all Triumph 350 & 500 Unit Twins (Daytona, T100R, T100S, 3TA, 5TA, T100A, Tiger, T100C, Etc) from 1957-1974. Please refer to your parts catalog for proper fitment.
Made in the UKO.E.M Part number is 97-0400 or H0400