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RPM CNC Pontiac D-Port Cylinder Head 87cc Bare

RPM CNC Pontiac D-Port Cylinder Head 87cc Bare

RPM CNC Pontiac D-Port Cylinder Head 87cc Hydraulic Flat Tappet Cam

RPM CNC Pontiac D-Port Cylinder Head 87cc Hydraulic Flat Tappet Cam

Performer Pontiac D-Port Cylinder Head 87cc Hydraulic Roller Springs

$1,548.50
Edelbrock part #61575 Performer Pontiac D-Port Cylinder Heads 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.
In stock
SKU
61575
The Edelbrock #61575 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. Heat crossover is machined for 50-state emissions legal performance.
More Information
Manufacturer Edelbrock
Application Application Specific
UPC 00085347615759
Series Performer
Grade Type Performance
Quantity Sold Individually
Guide Plate Material Hardened Steel
Camshaft Type Hydraulic Roller
Horsepower 400-500 HP
Availability Note Available to Order
Warranty 12 Months
Seat Angle Exhaust 45 deg/Intake 45 deg
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
  • EQUIPPED WITH SPRINGS FOR USE IN HYDRAULIC ROLLER 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.; Deck thickness: 5/8"; Rocker stud diameter: 7/16"; Pushrod diameter: 5/16" (width of slot in guide plate).
Intake Valve Diameter 2.11 in
Intake Runner Volume 204 cc
Material Aluminum
Push Rod Diameter (Suggested) 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