Edelbrock Performer RPM 118cc Bare Rectangle Port Cylinder Head BBC

Build your Big Block Chevy exactly the way you want with this Edelbrock Performer RPM rectangle port bare cylinder head. Designed for high-performance applications, this head features a 118cc open combustion chamber and high-velocity intake ports to deliver exceptional airflow and power across a 2,500 to 7,000 RPM range.

Features and Benefits:
- Designed for Big Block Chevy rectangle-port engines
- 118cc open combustion chamber for high-performance builds
- Bare head allows full customization of valvetrain components
- High-flow 315cc intake ports for improved airflow and velocity
- Broad 2,500-7,000 RPM operating range
- Aluminum construction for durability and heat dissipation

This bare casting comes with valve guides and seats installed but allows you to select your own valves and complete final machining to match your specific build requirements. The advanced rectangle port design increases airflow and velocity compared to standard heads, while the lightweight aluminum construction improves heat dissipation and reduces overall engine weight. Ideal for custom street, strip, and high-performance builds, this head provides the flexibility and performance serious builders demand.

Specifications:
- CNC Ported: No
- Combustion Chamber Volume: 118.0cc
- Deck Height: 9.8"
- Deck Thickness: 0.562"
- Guide Plates Included: Yes
- Intake Runner Volume: 315.0cc
- Material: Aluminum
- Push Rod Diameter: 0.375"
- Rocker Stud Diameter: 0.437"
- Valve Angle: 26 degrees

Vehicle Fitment:
- Big Block Chevy Rectangle Port Engines

Please Note: Bare heads require final sizing and a professional valve job. Verify piston dome clearance (spark plug location differs from stock). Use Champion RC12YC plugs (14mm x 3/4" reach, flat gasket). Match with Edelbrock head gaskets. Confirm valvetrain geometry, spring pressures, and piston-to-valve clearance before installation.