CH1118R - Remanufactured Cylinder Head Complete GM 3.5L 214 OHV 2006-2010 RH. Casting #746. Engines with Air Inj. Reaction. Includes valves and springs.
CH1117R - Remanufactured Cylinder Head Complete GM 3.5L 214 3.9L 237 OHV 2006-2010 LH or RH. Casting #746,610. Engines without Air Inj. Reaction. Includes valves and springs.