Keating Machine design features individual 2 inch intake runners, 4 inch diameter log, and 3.5 inch V-band inlet with O-ring seal. Intake flange is CNC profiled from round runner to head intake port shape, Requires head intake shelf to be cut off of head and additional machine work to accommodate. Service available from Keating Machine for additional $300.00. Includes billet bracket to secure intake to head, mating steel v-band flange w/o-ring and v-band clamp. Recommend cylinder head porting to maximize performance gain. Porting of intake and exhaust by Keating Machine available separately.