Now, owners of 400, 430, and 455 c.i.d. Buick V8s can step up to the proven performance of Edelbrock’s new Performer RPM Buick aluminum cylinder heads. In dyno tests, these high quality heads made 480 horsepower and 540 ft/lbs. of torque from an .030-overbore 455 engine with an Edelbrock intake manifold, Crane hydraulic lifter cam and 1-3/4″ headers. They are available fully assembled and ready to bolt on with high quality stainless steel 2.125″ intake and 1.75″ exhaust valves.
The 215cc intake ports are CNC gasket matched for outstanding flow characteristics and 68cc combustion chambers produce 9.2:1 compression ratio with stock pistons. They are cast from durable A356-T6 aluminum and CNC machined in Edelbrock’s modern manufacturing facility in Torrance, California. Like all Edelbrock heads, the rocker stud and exhaust bolt holes are Heli-Coiled™ for strength.
Performer RPM Buick cylinder heads are designed to accept widely available small-block Chevy adjustable rockers for an easy valvetrain upgrade, as well as high flow 130cc exhaust ports in the stock location accept original exhaust manifolds or headers for bolt-on performance.
For more information, including other Edelbrock products, visit the Edelbrock page at performanceparts.com.