Edelbrock E-CNC 355cc Hydraulic Roller Rectangle Port Cylinder Head BBC

Unlock serious horsepower potential with this Edelbrock E-CNC rectangle port cylinder head for Big Block Chevy engines. Designed for high performance street and light duty racing applications, this fully CNC-ported aluminum cylinder head maximizes airflow, torque, and combustion efficiency to support aggressive BBC engine combinations.

Features and Benefits:
- Designed for high performance street and light-duty racing BBC builds
- Fully CNC-ported design maximizes airflow and horsepower potential
- Compatible with hydraulic roller camshaft applications
- Massive 355cc intake runners support high-RPM performance
- Heavy duty valvetrain hardware supports lifts up to .700"
- Lightweight premium valve springs improve valvetrain stability
- Optimized spark plug location improves combustion efficiency
- Maintains stock port location for installation compatibility
- Aluminum construction reduces weight and improves heat dissipation

Engineered for hydraulic roller camshaft applications, this head features massive 355cc intake runners, premium lightweight valve springs, and heavy-duty valvetrain hardware capable of supporting lifts up to .700". The optimized spark plug positioning promotes smoother flame-front ignition for improved combustion efficiency and power delivery, while the stock port location simplifies compatibility with many existing BBC performance setups.

Specifications:
- 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: 354.0cc
- Material: Aluminum
- Push Rod Diameter: 0.375"
- Rocker Stud Diameter: 0.437"
- Valve Spring Diameter: 1.550"
- Valve Spring Maximum Lift: 0.700"
- Valve Stem Diameter: 0.341"

Tech Tips:
- Ideal for use with Edelbrock head gasket sets.
- Recommended spark plugs: Champion RC12YC or equivalent (14mm x 3/4" reach, flat gasket seat).

Vehicle Fitment:
- Performance BBC 454/ 502/ 540/ 572 engines