AIR FLOW RESEARCH LS3 12-Degr Cylinder Heads Fully CNC Ported 1845

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.
69CC COMBUSTION CAMBERS 4-BOLT HEAD