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RPM CNC Pontiac Cylinder Head 87cc Hydraulic Roller Camshaft

$1,704.95

Edelbrock part #61525 Performer RPM CNC Cylinder Heads have the same specifications as our popular Performer RPM cylinder heads for 1962-79 389-455 c.i.d. Pontiac engines, but feature a CNC machined combustion chamber.

In stock

SKU

61525

Details

The Edelbrock #61525 Performer RPM CNC Cylinder Heads have the same specifications as our popular Performer RPM cylinder heads for 1962-79 389-455 c.i.d. Pontiac engines, but feature a CNC machined combustion chamber. The CNC machined chamber results in a consistent and precise chamber for improved flow performance. Performer RPM CNC cylinder heads are available in two chamber sizes. The 87cc chamber version is ideal for 9.5:1 engines and will deliver excellent street performance on low octane fuel. The Edelbrock #61525 Performer RPM CNC Cylinder Heads are patterned after the same port flange configuration as the 1969-1970 Ram-Air IV Pontiac Cylinder Head.

INSTALLATION NOTE:
• EQUIPPED WITH SPRINGS FOR USE IN HYDRAULIC ROLLER CAMSHAFT APPLICATIONS
• These heads require Ram Air IV (round port) style exhaust manifolds or headers
• Edelbrock head bolt kit #8549
• Match with Edelbrock complete head gasket set #7382.
• Deck thickness: 5/8"
• Rocker stud diameter: 7/16"
• Pushrod diameter: 5/16" (width of slot in guide plate).

PRODUCT SPECS

More Information
Part Type	Engine Cylinder Head
Manufacturer	Edelbrock
Engine Manufacturer	Pontiac
Engine Family Name	V8
Engine Size	389 (6.4L), 400 (6.6L), 421 (6.9L), 428 (7.0L), 455 (7.5L)
Application	Application Specific
UPC	085347615254
Series	Performer RPM
Material	Aluminum
Intake Valve Diameter	2.11 in
Valve Angle	14 Degree
Intake Runner Volume	215 cc
Grade Type	Performance
Quantity	Sold Individually
Guide Plate Material	Hardened Steel
Camshaft Type	Hydraulic Roller
Horsepower	450-600 HP
Warranty	12 Months
Seat Angle	Exhaust 45 deg/Intake 45 deg
Emissions Code
Application Summary	Pontiac:-:326 (5.3L)/350 (5.7L)/389 (6.4L)/400 (6.6L)/421 (6.9L)/428 (7.0L)/455 (7.4)
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.
Pushrod Diameter	0.3125 (5/16) in
Rocker Stud Diameter	0.4375 (7/16) in
Valve Spring Diameter	1.46 in
Valve Spring Maximum Lift	0.575 in
Valve Stem Diameter	0.3438 in