The Edelbrock #60459 Performer RPM O-Port cylinder heads are designed for BB Chevy engines. The Edelbrock #60459 Performer RPM heads are perfect for street performance, daily drivers and muscle cars where more performance is needed.
The Edelbrock #60459 Performer RPM O-Port cylinder head is designed for Big-Block Chevy applications. The Edelbrock #60459 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 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.
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.
EQUIPPED WITH SPRINGS FOR USE IN HYDRAULIC FLAT TAPPET 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