Cylinder Head for 99-03 GM 189/207 #170,487 w/o Air Inj React & 8mm Rocker Bolts

CH1053R - Remanufactured Cylinder Head Complete 1999-2003 GM Chevy 3.1L 3.4L OHV E,J W/A.I.R. LH or RH. Casting #170,487. With 10mm rocker bolts. With Air Inj. Reaction. Includes valves & springs.

CH1051R - Remanufactured Cylinder Head Complete 1999-2003 GM Chevy 3.1L 3.4L OHV E,J W/O A.I.R. LH or RH. Casting #170,487. With 10mm rocker bolts. Without Air Inj. Reaction. Includes valves &...

CH1055R - Remanufactured Cylinder Head Complete 2003-2009 GM Chevy 3.1L 3.4L OHV E,J #234? Casting #234. With 8mm rocker bolts. Without Air Inj. Reaction. Includes valves & springs.

The Enginetech CH1056R Complete Cylinder Head is engineered for 2003-2009 Chevrolet vehicles with the 3.4L 207 V6 engine, including models such as the Chevrolet Equinox, Venture, and Pontiac Montana...

CH1122R - Remanufactured Cylinder Head Complete GM 4.3L 262 OHV 1999-2013 LH or RH. Casting #113,114. Engines with 8mm rocker arm bolts. Includes valves and springs.