AIR FLOW RESEARCH LS3/LS99 Mongoose CNC Cyl. Heads 260cc Assm 1840

Cylinder Head - LS3 Mongoose - Assembled - 2.165 / 1.600 in Valves - 260 cc Intake - 69 cc Chamber - 1.270 in Springs - Angle Plug - Aluminum - GM LS-Series - Pair Rectangle Port (pair) 6-Bolt Head