Genuine SU Dashpot Oil. This is the correct oil for filling the dashpot dampers on all 1945 and later British cars using SU carburetors. This is for 125ML or around 4.2 Ounces. This fits all SU carburetors including but not limited to MGA, MGB, MGC, MG Midget, Triumph Spitfire, Sprite, TR3, TR4, TR6, Austin Healey.