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

$1,223.50
The Edelbrock #60455 Performer RPM O-Port cylinder heads are designed for BB Chevy engines. The Edelbrock #60455 Performer RPM heads are perfect for street performance, daily drivers and muscle cars where more performance is needed.
In stock
SKU
60455
The Edelbrock #60455 Performer RPM O-Port cylinder heads are designed for Big-Block Chevy applications. The Edelbrock #60455 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 1500 to 6500 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
• Match with Edelbrock head gasket sets.
• Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat.
• These oval port heads will support over 540 hp with 9.5:1 compression when used as part of the Total Power Package®
• Unique oval intake port shape produces flow similar to rectangular ports, but the smaller port size provides excellent seat-of-the-pants performance and crisp throttle response
• Semi-open chamber design maximizes efficiency with streetable compression ratios
• Smaller-than-stock 11/32" valve stems promote excellent flow and lighter valve weight
More Information
Manufacturer Edelbrock
Application Application Specific
UPC 00085347604555
Series Performer RPM
Grade Type Performance
Quantity Sold Individually
Guide Plate Material Hardened Steel
Camshaft Type Hydraulic Roller
Horsepower 450-550 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 290 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