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RPM CNC Pontiac D-Port Cylinder Heads 87cc Bare

$1,164.43
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SKU
61569
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Details

The Edelbrock #61569 Performer Pontiac Bare Cylinder Heads 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. These heads are 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. Heat crossover is machined for 50-state emissions legal performance.

Documents & Installation Notes

Specs

Availability Available
Application Universal
GTIN 00085347615698
Availability Note Available to Order
Warranty 12 Months
Emissions Code
EO Number: D-215-94
Hazardous Materials Warning WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.
Installation Notes
  • Bare heads will have valve guides & seats installed, but will require final sizing & a valve job to match the valves you will be using.
  • 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.
  • Deck thickness: 5/8"
  • Rocker stud diameter: 7/16"
  • Pushrod diameter: 5/16" (width of slot in guide plate).
CNC Ported No
Combustion Chamber Volume 87.0 cc
Deck Height 10.250 in
Deck Thickness 0.625 in
Guide Plates Included Yes
Intake Runner Volume 204.0 cc
Material Aluminum
Push Rod Diameter 0.312 in
Valve Angle 14 deg