SherryBerg 42IDF Throttle Bodies and TPS Replace 42mm IDF Weber Dellorto EMPI Solex FAJS Carburettor Carburetor Carb New Arrival Top QUALITY. Price for 2 Units 42mm idf throtle body +TPS. NOTE: We keep 36mm, 40mm, 42mm and 45mm 48mm and 50mm throttle bodies in stock!