Chevy LS1, LS6 CNC Ported Aluminum Cylinder Head

• 210cc cathedral runners support LS street and performance builds

• Bare casting allows custom valvetrain selection

• 64cc heart chambers promote efficient combustion

• Aluminum construction reduces weight and improves cooling

Build your cathedral-port LS engine with a bare aluminum cylinder head engineered for custom performance applications. Featuring 210cc cathedral-style intake runners, 64cc heart-shaped combustion chambers, cathedral intake ports, and D-port exhaust ports, this cylinder head is designed to support improved airflow and performance potential in LS1, LS6, and other compatible cathedral-port LS engine combinations.

The 210cc runner design provides an ideal balance of airflow and air velocity, helping support strong throttle response, torque production, and horsepower gains across a broad RPM range. Cathedral intake ports and D-port exhaust ports make this cylinder head an excellent choice for naturally aspirated street performance builds, muscle cars, performance trucks, street/strip vehicles, and LS swap projects.

As a bare casting, this cylinder head gives engine builders complete flexibility when selecting valves, springs, retainers, seals, and valvetrain components. This allows the cylinder head to be tailored to specific camshaft profiles, RPM ranges, and horsepower goals, making it ideal for custom engine builds and machine shop assembly.

Constructed from lightweight aluminum, this cylinder head helps reduce weight while dissipating heat more efficiently than comparable cast iron designs. Whether you're building a performance LS1, LS6, 5.3L truck engine, or a custom LS swap project, this bare aluminum cylinder head provides a strong foundation for a high-performance cathedral-port LS build.

Cylinder Head Technology
Designed with 210cc cathedral-style intake runners, 64cc heart-shaped combustion chambers, cathedral intake ports, and D-port exhaust ports, this aluminum cylinder head is engineered to support increased airflow and combustion efficiency in cathedral-port LS engine applications. The bare casting configuration allows builders to select the exact valvetrain components required for their specific performance goals.

Performance Benefits
The 210cc runner design helps maintain strong intake velocity while supporting increased airflow, making this cylinder head suitable for a wide range of naturally aspirated performance combinations. Aluminum construction helps reduce weight and dissipate heat efficiently, supporting improved throttle response, torque production, and horsepower potential.

Is this an assembled cylinder head?
No, this is a bare cylinder head casting and requires final assembly.

What size intake runners does this cylinder head use?
This cylinder head features 210cc intake runners.

What size combustion chambers does this head use?
It utilizes 64cc heart-shaped combustion chambers.

What type of intake ports does this head use?
This cylinder head uses cathedral-style intake ports.

What type of exhaust ports does this head use?
The casting features D-port exhaust ports.

Why choose a bare cylinder head?
Bare heads allow builders to select valves, springs, retainers, and valvetrain components that match their specific engine combination.

Will this fit an LS1 engine?
Yes, it is designed for compatible LS1 cathedral-port applications.

Will this fit an LS6 engine?
Yes, it is compatible with LS6 cathedral-port engine combinations.

Can this head be used for an LS swap?
Yes, it is well suited for many cathedral-port LS swap projects.

Are valve guides installed?
Yes, bronze valve guides are included.

Is this cylinder head aluminum?
Yes, it is constructed from aluminum for reduced weight and improved heat dissipation.

Will this fit LS3 or L92 engines?
No, this cylinder head is designed for cathedral-port LS applications and is not intended for rectangle-port LS3/L92 combinations.