5/16" CEI - 11/16" Reduced Head Bolt - Triumph Pre Unit and Unit Mudguard Stay Fixing + Universal Use
Used on models with the lower horizontally fitted front stay.
Pre unit 3T, 5T, TR5, T100, T110, TR6 and T120 models from 1946 onwards.
Unit T100, TR6 and T120 models from 1963-68.
Length UH: 11/16" (17.3mm)
Thread: 5/16" CEI x 26 TPI
OEM: DS55, DS-55
Made in England