Used Cathedral Port Cylinder Heads

Cylinder head cast number supply varies, Email or call before adding to cart to verify stock availability .

Cathedral port LS cylinder heads are compatible with a wide  range of LS engine applications, including:

4.8L and 5.3L Vortec truck and SUV engines: These engines often use the 706 and 862 castings, known for their small combustion chamber volume. 

5.7L LS1 and LS6 engines: These high-performance passenger car engines are equipped with cathedral port heads. 

6.0L truck engines: The LQ4 and LQ9 engines also utilize the cathedral port design. 

These heads are frequently interchanged among other engines due to their excellent airflow characteristics, making them a popular choice for various LS engine applications. 

Cathedral Port Cast Numbers

• 241

• 706

• 852

• 862

• 243

• 317

• 799

All cylinder heads can have the added Machining service added to your purchase.