Edelbrock Performer RPM Polished 118cc Flat Rectangle Port Cylinder Head BBC

Give your Big Block Chevy a serious performance upgrade with this Edelbrock Performer RPM rectangle port cylinder head. Designed for high performance street and strip applications, it features a 118cc open combustion chamber and high velocity intake runners to deliver outstanding airflow and power throughout a 2,500 to 7,000 RPM range.

Features and Benefits:
- Designed for Big Block Chevy rectangle-port engines
- 118cc open combustion chamber supports high-performance builds
- Compatible with hydraulic flat tappet camshafts
- Broad 2,500-7,000 RPM operating range
- High flow 315cc intake runners for improved airflow and velocity
- Polished aluminum construction for durability and show quality appearance

This complete cylinder head comes assembled with premium valves and springs specifically matched for hydraulic flat tappet camshaft applications. The advanced rectangle port design increases airflow and velocity beyond stock heads, while smaller valve stems reduce weight and improve overall efficiency. Finished in polished aluminum, this head adds a clean, show quality appearance to your engine bay.

Specifications:
- CNC Ported: No
- Combustion Chamber Volume: 118.0cc
- Deck Height: 9.8"
- Deck Thickness: 0.562"
- Exhaust Valve Diameter: 1.880"
- Guide Plates Included: Yes
- Intake Runner Volume: 315.0cc
- Intake Valve Diameter: 2.190"
- Material: Aluminum
- Push Rod Diameter: 0.375"
- Rocker Stud Diameter: 0.437"
- Valve Angle: 26 degrees
- Valve Spring Diameter: 1.500"
- Valve Spring Maximum Lift: 0.700"
- Valve Stem Diameter: 0.341"

Vehicle Fitment:
- Big Block Chevy Rectangle Port Engines

Please Note: These heads are equipped for hydraulic flat tappet cam applications only. Use Champion RC12YC plugs (14mm x 3/4" reach, flat gasket). Pistons must be compatible with Edelbrock spark plug position. Verify piston-to-valve clearance, valvetrain geometry, and spring heights before installation.