Holley Jets Number 40 - 99. Also Avenger, B/G, Demon, AED & QFT Carbs. Twin Pack

This will also fit similar styled Avenger, Barry Grant, Demon, AED and QFT carbs. These jets have 1/4" -32 UNF threads and are used on Holley series 2300, 4010, 4011, 4150, 4160, 4165, 4175, 4360 & 4500, 2 & 4 barrel gasoline carbs.