Edelbrock 60459 RPM Big-Block Chevy Oval Port Cylinder Head Flat Tappet Cam
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.
Specifications
Manufacturer Edelbrock
Series Performer RPM
Guide Plate Material Hardened Steel
Camshaft Type Flat Tappet
Horsepower 500-600 HP
Seat Angle Exhaust 45 deg/Intake 45 deg
Combustion Chamber Volume 110 cc
Deck Height 9.8 in
Deck Thickness 0.5625 in
Intake Valve Diameter 2.19 in
Exhaust Valve Diameter 1.88 in
Guide Plates Included Yes
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 1.50 in
Valve Spring Maximum Lift 0.700 in
Valve Stem Diameter 0.3438 in
Installation Notes
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