Edelbrock Single Performance. RPM 454-0 BBC O-Port Head Comp.

The Edelbrock #60459 Performer RPM O-Port cylinder heads are designed for Big-Block Chevy applications. The Edelbrock #60459 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.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

Specification

Application: Universal
GTIN: 00085347604593
Availability Note: Available to Order 
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.
CNC Ported: No
Combustion Chamber Volume: 110.0 cu.in
Deck Height: 9.8 in
Deck Thickness: 0.562 in
Exhaust Valve Diameter: 1.880 in
Guide Plates Included: Yes
Intake Runner Volume: 290.0 cu.in
Intake Valve Diameter: 2.190 in
Material: Aluminum
Push Rod Diameter: 0.375 in
Valve Angle: 26 deg
Valve Spring Diameter: 1.500 in
Valve Spring Maximum Lift: 0.700 in
Valve Stem Diameter: 0.341 in

Vehicle Fitments: