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

AIR FLOW RESEARCH 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