PowerPort 320 Assembled Cast Aluminum Cylinder Head

The Trick Flow PowerPort 320 cylinder head is engineered to deliver exceptional power potential and durability for Big Block Chevrolet engines. Constructed from cast aluminum, this assembled cylinder head features high-flow 320cc intake runners and a 122cc combustion chamber, optimized for performance applications. They come equipped with 2.250-inch intake valves and 1.880-inch exhaust valves, supporting a maximum valve lift of 0.700 inches. The PowerPort 320 heads are suitable for Big Block Chevy V8 engines, including Gen VI applications like the 7.4L/454, and are designed to work with mechanical flat tappet camshafts. These cylinder heads are manufactured in the USA and are sold individually, with options for both assembled and bare configurations depending on the specific part number. The TFS-41410001-M22 model is noted for its assembled configuration, including valve springs and Damper Spring.