GenX 280 HD Cylinder Head

The Trick Flow GenX 280 HD cylinder head is engineered for GM LS3 engines, offering enhanced performance capabilities. This head features a 4.000-inch minimum bore diameter and is constructed from durable aluminum. The CNC-machined ports, with 280cc intake runners and 87cc exhaust runners, are designed for optimal airflow. Key specifications include a 67cc combustion chamber volume, 2.165-inch intake valves, and 1.600-inch exhaust valves. The head is designed to support a maximum valve lift of 0.650 inches and includes valve springs. It also comes with new rocker arm rail mounts, specifically for use with LS3 1.7 ratio rocker arms, and features a 6-bolt pattern for secure mounting. Designed for performance applications, these cylinder heads are suitable for GM LS3 and LSX engines. They are compatible with engine sizes ranging from 6.0L/364ci to 6.2L/376ci and potentially up to 7.0L/427ci. The product is sold as a pair.