This is a New OE Stock 6.0L LQ4 / LQ9 BARE Cylinder Head.
* Part # : 317
* Description : Stock Vortec 6.0L LS BARE Cylinder Head
* Specs : Combustion Chamber Volume: 70.03cc
Intake Port Volume: 210cc
Exhaust Port Volume: 75cc
Intake Valve Diameter: 2.00 inches
Exhaust Valve Diameter: 1.55 inches
* Note : New Old Stock BARE Cylinder Head