Edelbrock Performer RPM 118cc Hyd Roller Rectangle Port Cylinder Head BBC

Maximize the performance of your Big Block Chevy with this Edelbrock Performer RPM rectangle port cylinder head, engineered for high performance street and strip applications. Featuring a 118cc open combustion chamber and high velocity intake runners, this head delivers exceptional 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 for high performance builds
- Compatible with hydraulic roller camshafts
- Broad 2,500-7,000 RPM operating range
- High flow 315cc intake runners improve airflow and velocity
- Aluminum construction for durability and heat dissipation

Constructed from lightweight aluminum, this complete cylinder head includes premium valves and springs specifically matched for hydraulic roller camshaft applications. The advanced rectangle port design significantly improves airflow and velocity over stock heads, while smaller valve stems reduce valvetrain weight and enhance performance.

Specifications:
- CNC Ported: No
- Combustion Chamber Volume: 118.0cc
- Deck Height: 10.2"
- 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: 1.550"
- Valve Spring Maximum Lift: 0.700"
- Valve Stem Diameter: 0.341"

Vehicle Fitment:
- Big Block Chevy Rectangle Port Engines

Please Note: Hydraulic roller camshaft compatible only. Use Champion RC12YC plugs (14mm x 3/4" reach, flat gasket). Requires pistons designed for Edelbrock spark plug location. Match with Edelbrock head gaskets. Verify piston-to-valve clearance, spring height, and valvetrain geometry before installation.