Victor Jr. 23° - 215cc Cylinder Heads For S/B Chevy


Victor Jr. 23° - 215cc Cylinder Heads For S/B Chevy by Edelbrock
 
  • Cylinder Head Specifications:
  • Combustion chamber volume: 64cc / 70cc
  • Intake runner volume: 215cc
  • Exhaust runner volume: 85cc
  • Intake valve diameter: 2.08"
  • Exhaust valve diameter: 1.60"
  • Valve stem diameter: 11/32"
  • Valve guides: Manganese bronze
  • Deck thickness: 9/16"
  • Valve spring diameter: 1.55"
  • Valve spring maximum lift: .650"
  • Rocker stud: 7/16"
  • Guideplate: Hardended steel
  • Pushrod diameter: 5/16"
  • Valve angle: 23°
  • Exhaust port location: Raised .300"
  • Spark plug fitment: 14mm x 3/4 reach, gasket seat
 
Affordable maximum power 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 heads feature angled spark plug holes and accept standard 23° valvetrain hardware.
  Bare (Single) Complete (Single)
Application Dyno Emissions Satin Satin
EQUIPPED WITH SPRINGS FOR USE IN MECHANICAL FLAT TAPPET AND HYDRAULIC ROLLER CAMSHAFT APPS.
Victor Jr. 23° (64cc) - 77569 77589
Victor Jr. 23° (70cc) - 77639 77619
Bare or with valves only add your own springs (64cc) - 77569 77579
 
EQUIPPED WITH SPRINGS FOR USE IN MECHANICAL ROLLER CAMS
Victor Jr. 23° (64cc) - 77569 77599
Victor Jr. 23° (70cc) - 77639 77629
Bare or with valves only add your own springs (70cc) - 77639 77649
Edelbrock Installation Note 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).
#77589 | #77599 | #77619 | #77629: Flow Numbers as tested by Edelbrock's SuperFlo SF-1020 flow bench @ 28" H2O
Valve Lift .100" .200" .300" .400" .500" .600" .700"
Intake 67 119 177 226 265 281 285
Exhaust 64 112 153 188 207 217 220
Edelbrock Tech Note TECH NOTE: Please view Cylinder Head Flow Data and Valve Springs & Retainers for all Edelbrock Performance Aluminum Cylinder Heads.
Edelbrock Tech Note PRODUCT EMISSIONS GUIDE
The following guide is designed to help you determine which Edelbrock components are legal for use on your vehicle. Learn more about Edelbrock Product Emissions Guide.

    50-State Legal
    For Racing Use ONLY
    For Use on Pre-Pollution Controlled Vehicles (PPCV)
    Stock Replacement Part
    Engine Swaps