*Just Arrived!* Brand Spankin’ New Triumph & BSA Front Headlight Mounting Bottom Bracket Dome Nut Set. With this set there is absolutely no need to have your Original Mounting Nuts Chromed! Save the Time & Money with this Highly Polished Chrome Nut Set! Sleeved Domed Nut Measures 3/8″ with a thread pitch 24 (UNF)! Fits Triumph & BSA 650 Unit Twins (Bonneville, T120, T120RV, Tiger, Lightning, TR6C, Etc) from 1971-1972 only that use the “Wire Mounting Headlight Bracket”! Also fits Triumph T150 & BSA Rocket III Trident models from 1971-1973. Please refer to your parts catalogfor proper fitment.*****Please note that this part is only correct with the models abouve with the correct Headlight Mounting Bracket!*****Made in the UKO.E.M Part number is 21-2062 or S2062