Precision Race Components 247cc CNC Ported Cylinder Heads

Precision Race Components introduces its latest cylinder head castings with 237cc runners, ideal for 370 cubic inch and larger engines with a bore size of 4.00″ or more.

Origin:

• Completely Made, Cast, and Machined in the USA.

Key Features:

• 237cc CNC Ported Intake Runners
• 84cc CNC Ported Exhaust Runners
• TSP .660 Spring Kit equipped with PAC Valve Springs and titanium Retainers
• 68cc precision-machined chambers
• CHE Bronze Guides
• 2.100″ Hollow Stem Intake Valve and 1.600″ Stainless Exhaust Valves
• Compatible with factory rockers

This 237cc cylinder head sets a new benchmark for LS cathedral port performance. It’s designed to support a wide range of engines, from street variants with smaller camshafts to high-performance race engines. This head offers optimal airflow and performance.

Brand

Texas Speed and Performance