Engine Cylinder Head

this head can also be used with larger-bore engines if desired. Like the other Edelbrock Performer RPM cylinder head, this features a thick 9/16-inch deck, extra-thick port walls, high-flowing ports, ductile iron seats, one-piece stainless-steel valves, and high-quality rocker studs. This Edelbrock cylinder head also feature state-of-the-art compact combustion chambers and highly efficient ports that offer improved performance and great throttle response throughout the rpm range. Other top-quality features include threaded inserts for rocker studs and exhaust bolts for superior strength and durability, as well as manganese-bronze valve guides. This cylinder head is designed in-house, cast from A356 aluminum, heat treated to T-6 specs, and machined in Edelbrock's Southern California USA manufacturing facilities for unsurpassed quality and performance.