Edelbrock 77639 CYLINDER HEAD

Part # 77639

Single Victor Jr. 70cc SBC Head Bare

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Accepts Standard 23 Deg. Valvetrain Hardware; Edelbrock products offer improved performance and aesthetics for a broad array of vehicles and engines. 'Proven performance' is the philosophy by which Edelbrock was founded and it continues to this day with the highest standards for performance and quality. Edelbrock core products are engineered manufactured and tested in the USA to ensure the best quality possible. This is further backed by some of the best warranties in the industry and a highly qualified technical support staff.; Edelbrock products offer improved performance and aesthetics for a broad array of vehicles and engines. 'Proven performance' is the philosophy by which Edelbrock was founded and it continues to this day with the highest standards for performance and quality. Edelbrock core products are engineered manufactured and tested in the USA to ensure the best quality possible. This is further backed by some of the best warranties in the industry and a highly qualified technical support staff.; Affordable; Top Quality; Out-of-the-Box Bolt-On Performance; Race-Winning Set-Up

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Affordable maximum power cylinder head for competition and ultra high-performance street. 530-580 hp potential out-of-the-box for a cost effective race-winning set-up. 64cc chambers yield about 12.5:1 compression with a 12cc domed piston in a 350 V8. These cylinder heads feature angled spark plug holes and accept standard 23 Deg valvetrain hardware. INSTALLATION NOTE: Check cam manufacturer's specs for compatibility with valve springs for spring rates. Match with Edelbrock head gasket sets. Use Head Bolt Kits for easy installation. These heads require the use of a 14mm x 3/4" reach flat gasket spark plug with a heat range appropriate to your application. Deck thickness: 9/16" rocker stud diameter: 3/8" pushrod diameter: 7/16" (width of slot in guide plate).