Edelbrock Performer RPM 64cc Cylinder Head SBC Engine

This cylinder head (60899) enhances the performance of your vehicle. It is designed for 1955-1986 small-block Chevy engine applications. The Performer RPM head is perfect for daily drivers, street rods, and muscle cars. It delivers great throttle response and power from 1500 to 6500 rpm. It also features the highest quality intake and exhaust valves and valve springs. The high-quality aluminum build guarantees durability and longevity.

Features and Benefits:
- High-quality aluminum construction
- Combustion chamber volume 64cc
- Increased horsepower and torque
- Weight saves overusing cast iron heads
- Reduced cylinder head temps
- Hydraulic flat tappet springs
- Improved throttle response
- Power range between 1500-6500 rpms
- High-quality intake and exhaust valves
- Sold individually
- Made in the USA

Specifications:
- CNC ported: no
- Combustion chamber volume: 64cc
- Deck height: 9.025”
- Deck thickness: 0.562”
- Exhaust valve diameter: 1.600”
- Guide plates included: yes
- Intake runner volume: 195cc
- Intake valve diameter: 2.020”
- Material: aluminum
- Push rod diameter: 0.312
- Rocker stud diameter: 0.375”
- Valve angle: 23 degree
- Valve spring diameter: 1.460”
- Valve spring maximum lift: 0.575”
- Valve stem diameter: 0.341”

Tech Tips:
- Equipped with springs for use in hydraulic flat tappet camshaft applications.
- Match with Edelbrock head gasket sets.
- To use stock rockers on small-block Chevy heads, .100" longer than stock pushrods are required.
- Edelbrock pushrods #9629 are recommended.
- Use Head Bolt Kits for easy installation.

Please Note: The recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat. S/B Chevy heads may not be used on engines with less than 4" bore (262, 265, 283, 305, 307 c.i.d.) except with cams having less than .450" valve lift.