MGB HIF4, ABD Needles, AUD 550, 1972-1974
One Kit does both carbs, includes front carb kit and rear carb kit for a pair of HIF4 Carburetors.
Includes a full set of Gaskets and Seals, Needles, main Jet and Needle Valve and seat for the Float Bowl.
Made in USA by British Superior
AKA 375-398