British Superior/Joe Curto Carburetter Kit, HIF4, AUD 493
MGB HIF4, AUD 493, AAU Needle, 1972
On Kit does both carbs, includes front carb kit and rear carb kit for a pair of HS4 Carburetters.
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 375-378