Precision Race Components As-Cast 225cc LS1/LS2 Cathedral Heads

Precision Race Components offers brand new as-cast cylinder heads designed for LS1/LS2 engines. These heads have CNC machined chambers and valve guides for optimal performance and come at an incredible price. They are proudly made, cast, and machined in the USA.

Key features of these cylinder heads include:

• As-cast design with 225cc intake runners.
• CNC machined chambers with a 62cc volume.
• Hollow stem intake valves measuring 2.065 inches and stainless exhaust valves of 1.600 inches.
• Compatibility with factory LS1 rocker arms.
• Equipped with a TSP .660 dual spring kit that includes PAC valve springs and titanium retainers.

These new PRC cylinder heads are perfect for those seeking high-flow cathedral LS heads. The intake port has been extensively tested and flows over 320 cubic feet per minute, making it suitable for a wide range of applications, from street engines with smaller camshafts to high-performance race engines. Additionally, the smaller chamber design enhances power in stock displacement setups.

Flow Data (4.00″ Flow Plate – No Exhaust Pipe):

Brand

Texas Speed and Performance