Feed Your LS7 Maximum Airflow with Edelbrock Victor 12-Degree CNC Cylinder Heads

When it comes to making horsepower, airflow is where it’s at. That’s what Edelbrock’s Victor 12-Degree CNC Cylinder Heads deliver to your all-out naturally aspirated or power adder LS7 engine.

Edelbrock reduced the valve angle from the factory 15 degrees to 12 degrees and raised the intake port .220-inch. This provides a straighter shot at the combustion chambers and improves the short turn radius in the intake runners for maximum airflow. The intake runners, exhaust runners, and combustion chambers are fully CNC-ported to optimize airflow volume, atomization, and velocity.

The Victor 12-Degree CNC heads are available with copper-infused powdered metal or beryllium copper valve seats. Powdered metal seats are fine for moderate horsepower and boost applications. The beryllium copper seats dissipate heat better and are easier on titanium valves. That makes them a better choice for extremely high-boost applications.

Other features include:
• Clean Cast technology eliminates casting flaws and provides smoother internal surface finishes for greater air and coolant flow
• 6-bolt head retention provides greater clamping force and head gasket sealing than factory four-bolt configuration
• .100-inch raised exhaust ports accommodate factory and aftermarket manifolds or headers
• .400-inch raised valve cover rails accommodate aftermarket roller rocker arms
• .750-inch thick deck faces
• Reinforced solid rocker rails increase rigidity and stability for accurate valvetrain timing
• Efficient water jacket design for greater thermal conductivity and reduced risk of detonation
• Added material for angle milling
• All accessory bolt holes drilled and tapped

Specifications
• 355-T6 aluminum alloy
• Choice of 291cc or 307cc intake runners
• 93cc exhaust runners
• 69cc combustion chambers
• Valve seats with three-angle valve job for 2.20- or 2.25-inch intake and 1.615-inch exhaust
• EDL-77689 heads have machined provisions for mechanical fuel injection down nozzles

Edelbrock Victor 12-Degree CNC Cylinder Heads are sold as bare castings. Edelbrock recommends using COMP Cams shaft-mount rocker arms or OEM-style Trunnion Upgraded rockers and rocker stands.

CHECK OUT EDELBROCK’S VICTOR CNC 12° CYLINDER HEADS FOR GM LS7