Works With Holley Numbers 1850, 3310, 8007, 9015, 9776, 80457, 80508, 80570, 80670 & 80770. - Works on Holley 4160 Series Vacuum Secondary Carbs 570, 600, 650, 670, 750 & 770 cfm. - Replace: Barry Grant kit P/N 190003 and Holley kits P/N 37-119, 37-720,37-754, 37-1542.
