Speedmaster PCE281.1101 Hemi 426 572 Stage VI Top Fuel Billet Alum Bare Head

Hemi 426 572 Stage VI Top Fuel Head Billet Aluminum Bare Cylinder Head These billet aluminum cylinder heads are direct bolt on replacements for high performance Chrysler 426 and 572 HEMI engines. They feature fully CNC machined combustion chambers and blended seats for increased air flow and well as revised exhaust valve angles for larger intake valves. Great throttle response and top-end horsepower Highly efficient ports and state-of-the-art combustion chambers shapes for improved performance throughout the rpm range