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RPM CNC Pontiac Cylinder Head 72cc Hydraulic Roller Camshaft

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$1,199.50
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Edelbrock part #61515 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.
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61515
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The Edelbrock #61515 Performer RPM CNC Cylinder Head has the same specifications as our popular Performer RPM cylinder head 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 head is available in two chamber sizes. Performer RPM CNC cylinder head with 72cc chambers are best for higher compression engines. The Edelbrock #61515 Performer RPM CNC cylinder head is patterned after the same port flange configuration as the 1969-1970 Ram-Air IV Pontiac Cylinder Head.

Specs

Availability Available
Application Application Specific
UPC 00085347615155
Ech Ival Dia 2.11 in
Series Performer RPM
Grade Type Performance
Quantity Sold Individually
Guide Plate Material Hardened Steel
Camshaft Type Hydraulic Roller
Horsepower 450-650 HP
Availability Note Available to Order
Warranty 12 Months
Seat Angle Exhaust 45 deg/Intake 45 deg
Emissions Code
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; Features CNC machined combustion chamber for a consistent and precise chamber for improved flow performance and spark plug location - 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).
CNC Ported Yes
Combustion Chamber Volume 72 cc
Deck Height 10.250 in
Deck Thickness 0.625 in
Exhaust Valve Diameter 1.66 in
Guide Plates Included Yes
Intake Runner Volume 215 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