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RPM CNC Pontiac Cylinder Heads 72cc Hydraulic Flat Tappet Camshaft

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The Edelbrock #61519 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. Performer RPM CNC cylinder heads with 72cc chambers are best for higher compression engines. The Edelbrock #61519 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 FLAT TAPPET 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).

Documents & Installation Notes


Availability Not Available
Application Universal
GTIN 00085347615193
Availability Note Available to Order
Warranty 12 Months
Emissions Code
Hazardous Materials Warning WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit
CNC Ported Yes
Combustion Chamber Volume 72.0
Deck Height 10.250 in
Deck Thickness 0.625 in
Exhaust Valve Diameter 1.660 in
Guide Plates Included Yes
Intake Runner Volume 215.0
Intake Valve Diameter 2.110 in
Material Aluminum
Push Rod Diameter 0.312 in
Rocker Stud Diameter 0.437 in
Valve Angle 14 deg
Valve Spring Diameter 1.460 in
Valve Spring Maximum Lift 0.575 in
Valve Stem Diameter 0.341 in