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RPM BIG-BLOCK CHEVY RETANGULAR PORT CYLINDER HEAD HYDRAULIC ROLLER CAM

RPM BIG-BLOCK CHEVY RETANGULAR PORT CYLINDER HEAD HYDRAULIC ROLLER CAM

EDL 60555

$1,277.50
$1,277.50
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Brand New Edelbrock RPM Cylinder Head for Chevy Big Block Rectangular Port Engines with Hydraulic Roller Cam (Part #60555). 

The Edelbrock #60555 Performer RPM Rectangle Port cylinder head is designed for Big-Block Chevy applications. The Edelbrock #60555 Performer RPM head is perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. This cylinder head delivers great throttle response and power from 2500 to 7000 rpm. They also feature the highest quality intake and exhaust valves and valve springs.

Installation Notes:
  • 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

Specs:

  • Camshaft Type: Hydraulic Roller
  • Horsepower: 525-650 HP
  • Seat Angle: Exhaust 45 deg/Intake 45 deg
  • 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
You can view and download the complete assembly instruction booklet here.

Edelbrock Products