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. This remanufactured cylinder head features casting numbers 082 or 234 and is equipped with 10mm rocker bolts, making it suitable for both left and right sides (2003-2005) or left side only (2006-2009). The assembly includes pre-installed valves, springs, and seals, machined to OEM specifications for a precise fit and reliable performance. Rigorously inspected for quality, this cylinder head is ideal for professional mechanics and DIY enthusiasts rebuilding or repairing Chevrolet 3.4L engines. Note: this listing is for a single cylinder head; photos depict multiple angles of the same head.