Edelbrock Cylinder Head Pontiac Performer RPM 72cc for Hydraulic Roller Cam Complete (Ea) - 60595

Cylinder Head Specifications:; Combustion chamber volume: 87cc; Intake runner volume: 215cc; Exhaust runner volume: 175cc; Intake valve diameter: 2.11"; Exhaust valve diameter: 1.66"; Valve stem diameter: 11/32"; Valve guides: Manganese bronze; Deck thickness: 5/8"; Valve spring diameter: 1.46"; Valve spring maximum lift: .575"; Rocker stud: 7/16"; Guideplate: Hardended steel; Pushrod diameter: 5/16"; Valve angle: 14°; Exhaust port location: Stock Ram Air IV; Spark plug fitment: 14mm x 3/4 reach, gasket seat. These cylinder heads are designed for outstanding performance gains in 1962-79 389-455 c.i.d. Pontiac engines. They are patterned after the 1969-70 Ram Air IV Pontiac cylinder head. Performer heads #60579/#60575 are 50-state emissions legal for 1965-79 vehicles. They feature 87cc combustion chambers designed to maximize performance while using less expensive, low-octane fuel with a streetable 9.5:1 compression ratio. Our Performer RPM heads with the 72cc combustion chamber are for higher compression engines. Performer RPM #60509 is semi-machined and must be finished by a professional cylinder head porter. They include valve guides and seats installed with no intake pushrod holes. Performer RPM #60587 is not port matched or bowl blended and is NHRA accepted for Stock & Super Stock. INSTALLATION NOTE: These heads require Ram Air IV (round port) style exhaust manifolds or headers and Edelbrock head bolt kit #8549. Deck thickness: 5/8", rocker stud diameter: 7/16", pushrod diameter: 5/16" (width of slot in guide plate).

 

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Founded in 1938, Torrance-based Edelbrock, LLC is recognized as one of the nation's premier designers, manufacturers and distributors of performance replacement parts for the automotive aftermarket. Edelbrock produces their core products in the United States of America using state-of-the-art equipment in their world-class manufacturing facilities.

In February 2020, Edelbrock along with its Russell Performance division joined forces with the Memphis, TN-based COMP Performance Group that includes COMP Cams, TCI Automotive, FAST Fuel Air Spark Technology, Racing Head Service (RHS), ZEX, Inglese Induction Systems, Powerhouse Products, COMP VThunder and COMP GoParts.

Edelbrock LLC and its Distribution Center is headquartered in Olive Branch, Mississippi, along with the Edelbrock Group family of brands that include COMP Cams, FAST - Fuel Air Spark Technology, Russell Performance and TCI Automotive. Edelbrock’s Southern California R&D Tech Center is in Cerritos, CA, with the Edelbrock Sand Cast and Permanent Mold Manufacturing foundries located in San Jacinto, CA. Edelbrock has two facilities in North Carolina: the Edelbrock Carburetor Division in Sanford, and the Edelbrock Race Center in Mooresville.

Get the best parts and pricing on Edlebrock Performance parts today at www.goturbo.net - Armageddon Turbo Systems!