Description: Diaphragm/Main Jet Assembly, S.U. HD-6 1-3/4" Carburetor. Diaphragm is manufactured from Viton B and is impervious to modern fuels. The best!
Description: Fuel Filter Assembly, XK-150, MK IX, MK I, MK II, 340, 3.8S, 420, MK X, 420G, E-Type Series I, Series II and Earlier Series III; Series I XJ-6.Item No.22 in the illustration.