Performer RPM Cylinder Heads For Holden


Holden Cylinder Heads by Edelbrock
 
  • Cylinder Head Specifications:
  • Combustion chamber volume: 62cc
  • Intake runner volume: 195cc / 200cc
  • Exhaust runner volume: 68cc
  • Intake valve diameter: 2.02"
  • Exhaust valve diameter: 1.60"
  • Valve stem diameter: 5/16"
  • Valve guides: Manganese bronze
  • Deck thickness: 11/16" (extra thick)
  • Valve spring diameter: 1.45" / 1.30"
  • Valve spring maximum lift: .690" / .650"
  • Rocker stud: 7/16"
  • Guideplate: Hardended steel
  • Pushrod diameter: 3/8"
  • Valve angle:
  • Exhaust port location: Stock
  • Spark plug fitment: 14mm x 3/4 reach, gasket seat
 
    PERFORMER RPM FOR HOLDEN FEATURES:
  • Designed for use with 1989-98 Holden VN Commodore 5.0L engines.
  • Capable of 500+ horsepower on pump gas.
  • Intended as a direct replacement for factory heads and is configured as an easy bolt-on part for 1989-98 VN Commodore engines and as an upgrade to all earlier Holden production engines.
  • Features an extra thick 11/16" deck.
  • Performer RPM head #61385 has port notched for EFI applications
  Bare (Single) Complete (Single)
Application Dyno Emissions Satin Satin
EQUIPPED WITH SPRINGS FOR USE IN HYDRAULIC FLAT TAPPET CAMSHAFT APPLICATIONS
Performer RPM Holden - 61379 61389
EQUIPPED WITH SPRINGS FOR USE IN HYDRAULIC ROLLER CAMSHAFT APPLICATIONS
Performer RPM Holden - 61379 61385
Edelbrock Installation Note INSTALLATION NOTE: Match with Edelbrock head gasket sets. Bare heads will have valve guides and seats installed, but will require final sizing and a valve job to match the valves you will be using. Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat. Deck thickness: 11/16", rocker stud diameter: 7/16", pushrod diameter: 3/8" (width of slot in guide plate).
#61389: Flow Numbers as tested by Edelbrock's SuperFlo SF-1020 flow bench @ 28" H2O
Valve Lift .100" .200" .300" .400" .500" .600" .700"
Intake 68 137 195 243 260 263 267
Exhaust 58 105 141 157 168 171 173
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