and right side gas tanks on H-D 1965-1972 Big Twins

The Lowbrow Customs DIY fuel tank sight gauge kit offers a practical and polished solution for monitoring fuel levels on your custom motorcycle

these caps have a flat top

order two sets

SRM Oil Pressure Release Valve for unit Triumph & BSA Motorcycles Makes_Harley-Davidson and right side gas tanksFor all BSA and Triumph twin cylinder models and BSA Triumph unit singles, the SRM Engineering CNC machined stainless steel pressure release valves have a stainless body, stainless dome cap and stainless piston. Each one is hand assembled and checked for correct pressure blow off. Fits BSA A7, A10, A50, and A65 as well as Triumph T110, T120, T140, 5TA, 3TA, T100, 6T, TR6, Etc. Individually assembled and fully tested by SRM in the UK. NOTE: SRM Oil