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RPM Big-Block Chevy Retangular Port Cylinder Head Hydraulic Roller Cam

$1,216.50
The Edelbrock #60555 Performer RPM Rectangle Port cylinder heads are designed for Big-Block Chevy applications. The #60555 Performer RPM heads are perfect for street performance, daily drivers, street rods and muscle cars where.
In stock
SKU
60555
The Edelbrock #60555 Performer RPM Rectangle Port cylinder heads are designed for Big-Block Chevy applications. The Edelbrock #60555 Performer RPM heads are perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. These cylinder heads deliver great throttle response and power from 2500 to 7000 rpm. They also feature the highest quality intake and exhaust valves and valve springs. For use on pre-pollution controlled vehicles only.

INSTALLATION NOTE:
• EQUIPPED WITH SPRINGS FOR USE IN HYDRAULIC ROLLER CAMSHAFT APPLICATIONS
• Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat.
• All Performer and Performer RPM Big-Block Chevy heads: Spark plug is closer to center of bore, will interfere with high-dome pistons for open chamber heads.
• Use pistons designed for our heads. Match with Edelbrock head gasket sets.
• Designed for street/high-performance big-blocks operating from 2500-7000 rpm
• Specially designed ports for increased flow and velocity over standard big-block cylinder heads
• Highly-efficient 118cc open-style combustion chamber
• High-velocity 315cc long/300cc short intake ports
• Smaller-than-stock 11/32" valve stems promote excellent flow and lighter valve weight
More Information
Manufacturer Edelbrock
Application Application Specific
UPC 00085347605552
Series Performer RPM
Grade Type Performance
Quantity Sold Individually
Guide Plate Material Hardened Steel
Camshaft Type Hydraulic Roller
Horsepower 525-650 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.
Intake Valve Diameter 2.19 in
Intake Runner Volume 315 cc
Material Aluminum
Push Rod Diameter (Suggested) 0.4375 in
Rocker Stud Diameter 0.4375 in
Valve Angle 26 deg
Valve Spring Diameter 1.55 in
Valve Spring Maximum Lift 0.700 in
Valve Stem Diameter 0.3438 in