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RPM CNC PONTIAC D-PORT CYLINDER HEAD 87CC HYDRAULIC FLAT TAPPET CAM

RPM CNC PONTIAC D-PORT CYLINDER HEAD 87CC HYDRAULIC FLAT TAPPET CAM

SKU:EDL 61579

Regular price $1,587.50
Regular price Sale price $1,587.50
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Brand New Edelbrock Performer RPM CNC 87cc Cylinder Head for 1962-1979 389, 400, 421, 428 & 455 V8 Pontiac D-Port Engines with 4.060" or Larger Bore & Hydraulic Flat Tappet Cam (Part #61579). 

The Edelbrock #61579 Performer Pontiac Cylinder Head utilize a D-Port exhaust port configuration for use with standard D-port exhaust systems. They are designed for 1962-79 389, 400, 421, 428 and 455 C.I.D. V8 Pontiac engines with a 4.060" or larger bore. They feature optimized oil return passages for increased oil flow. The spark plug has been relocated closer to the exhaust valve for improved performance. This head is cast with extra thick port walls and a compact port size, making them ideal for CNC and hand porting. Complete cylinder head includes guide plates, rocker studs and high quality valvetrain for direct bolt-on application.

Installation Notes:
  • Equipped with springs for use in hydraulic flat tappet camshaft applications
  • Combustion Chamber: 87cc
  • 350 C.I.D. engines may require notching the block for valve clearance.
  • Three head bolt bosses are raised higher than the standard D-port heights and will require head bolt kit #8561 to install these heads

Specs:

  • Material: Aluminum
  • Horsepower: 400-500 HP
  • Seat Angle: Exhaust 45 deg/Intake 45 deg
  • Intake Valve Diameter: 2.11 in
  • Intake Runner Volume: 204 cc
  • Push Rod Diameter: 0.3125 in
  • Rocker Stud Diameter: 0.4375 in
  • Valve Angle: 14 deg
  • Valve Spring Diameter: 1.46 in
  • Valve Spring Maximum Lift: 0.575 in
  • Valve Stem Diameter: 0.3438 in
  • Deck Thickness: 5/8"
You can view and download the complete assembly instruction booklet here.