RPM CNC Pontiac D-Port Cylinder Head 72cc Hydraulic Flat Tappet Cam

$1,511.50

Edelbrock part #61599 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.

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SKU

61599

Details

The Edelbrock #61599 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

More Information
Manufacturer	Edelbrock
Application	Application Specific
UPC	00085347615995
Series	Performer
Grade Type	Performance
Quantity	Sold Individually
Guide Plate Material	Hardened Steel
Camshaft Type	Flat Tappet
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 FLAT TAPPET CAMSHAFT APPLICATIONS; Combustion Chamber: 72cc; 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