AIR FLOW RESEARCH – LS3/LS99 Mongoose CNC Cyl. Heads 260cc Assm
AFR1840
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





