These new gaskets fit 4160 Series 650-800 CFM Holley 4 barrel carbs with vacuum secondary, 1-11/16" throttle bores and no removable jets in the secondary. List #'s 2814^ , 2929^ , 3116^ , 3310-2, 3310-3, 3310-4, 3310-5, 3310-6, 3310-7, 3310-8, 3310-9, 3310-10, 3310-11, 3310-12, 3310-C, 3310-S, 3310-SA, 4239^ , 80459, 80508, 83310, 83311, 83312.
