For Holley 4160 Series Carb 390,450,470,570,600,650,670,750,770 CFM Rebuild Kit

For Holley 4160 Series Vacuum Secondary Carbs 390, 450, 470, 570, 600, 650, 670, 750 & 770 cfm. Holley kits P/N 37-119,37-720,37-754,37-1542. For Holley List Numbers 1850, 3310, 8007, 9015, 9776, 80457, 80508, 80570, 80670 & 80770.