For Holley 4160 Series Vacuum Secondary Carbs 390, 450, 470, 570, 600, 650, 670, 750 & 770 cfm. Type: Carburetor Rebuild Kit. 1x Carburetor Rebuild Kit. Barry Grant kit P/N 190003. For Holley List Numbers 1850, 3310, 8007, 9015, 9776, 80457, 80508, 80570, 80670 & 80770.
