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Performer RPM Cylinder Heads for Oldsmobile

    Performer RPM Olds Features:
  • Designed for high-performance non-emission 1965-76 Olds 400, 425 and 455 c.i.d. V8's
  • Heart shaped chamber for a more efficient burn, outstanding horsepower and torque
  • Valvetrain has been upgraded from the factory pedestal-mount system to an ARP 7/16" screw-in stud and 3/8" pushrod-slot guideplate for increased valvetrain stability
  • #60517 is not port matched or bowl blended and is NHRA-accepted for Super Stock (except 1968-1969 W-30) only.

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EDELBROCK PERFORMER RPM CYLINDER HEADS FOR OLDSMOBILE (COMPLETE, SINGLE) - 60519
Our Price: $1,252.50
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EDELBROCK PERFORMER RPM CYLINDER HEADS FOR OLDSMOBILE (COMPLETE, SINGLE) - 60519
  • Cylinder Head Specifications:
  • Combustion chamber volume: 77cc
  • Intake runner volume: 188cc
  • Exhaust runner volume: 106cc
  • Intake valve diameter: 2.072"
  • Exhaust valve diameter: 1.68"
  • 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: 3/8"
  • Valve angle: 18°
  • Exhaust port location: Stock
  • Spark plug fitment: 14mm x 3/4 reach, gasket seat

INSTALLATION NOTE: Head bolt holes drilled for stock 7/16" bolts, but can be easily modified for 1/2" bolts or studs by drilling the 1/2" counter bore. Aftermarket 7/16"-stud rocker arms and 3/8" hardened pushrods required. Will fit 350-403 Olds with Edelbrock manifold #7111 only (port matching required). Match with Edelbrock head gasket sets. Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat. Deck thickness: 5/8", rocker stud diameter: 7/16", pushrod diameter: 3/8" (width of slot in guide plate).
   
 
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