CARBURETOR REBUILD KIT FOR HOLLEY 600 CFM 1850 80457 80551 INSIDE NEEDLE & SEAT

For Holley List Numbers 1850, 3310, 8007, 9015, 9776, 80457, 80508, 80570, 80670 & 80770. Interchange Part Number1850, 3310, 9776, 80457, 80670, 80508. For Holley 4160 Series Vacuum Secondary Carbs 570, 600, 650, 670, 750 & 770 cfm.