The 195 cc version flows 300 cfm with a 2.020 intake valve. The 210 cc version flows 323 cfm with a 2.080 intake valve. The head is available in many stages from bare to assembled packages. The LH F 17 series is perfect for engines ranging from 302 cubic inches all the way up to 421 cubic inches. They are Ford Compatible, have a new 17° Valve Angle, are 100% CNC Ported and have 195 cc Intake Port Flows, 302 cfm and 60 cc Combustion Chambers. For more information: (479)394-1075 www.brodix.com