PRC LS3/L92/LSA CNC Head Porting & TSP Camshaft Package (Customer-Supplied Castings)

LS3 Heads and Cam Kit – Using Customer-Supplied Cylinder Heads

Upgrade your LS3-powered engine with our Heads and Cam Kit designed to deliver significant performance gains! This kit uses customer-supplied cylinder heads, which are fully CNC-ported to maximize airflow and paired with premium components for a complete high-performance setup. With the option to choose a camshaft tailored to your application, this kit offers unbeatable power and flexibility.

What’s Included in the Kit?

• CNC-Ported Customer-Supplied Cylinder Heads:
  • Fully CNC-ported for optimal flow and performance.
  • Precision CNC valve job for enhanced sealing.
  • Includes new stainless steel hollow 2.165″ intake valves and 1.60″ stainless steel solid exhaust valves for improved durability and flow.
  • Includes .660″ dual valve springs with titanium retainers, ready for aggressive camshaft profiles.
• Choice of Texas Speed & Performance Camshaft:
  • Select from a variety of camshaft profiles to match your engine’s setup and intended use.
  • Designed to provide significant horsepower gains while maintaining drivability.
• Texas Speed Chromoly Pushrods:
  • Premium 5/16″ chromoly pushrods for superior strength and durability.
  • Customers select the pushrod length tailored to their setup.

Proven Performance Gains:

With extensive flow bench and dyno testing, this kit delivers significant power increases over stock components. By combining CNC-ported heads, a performance camshaft, and premium valvetrain components, you can expect gains of up to 70+ HP, depending on your specific camshaft choice and supporting modifications.

Technical Specs (Flow Bench Testing @ 4.000″ Bore):

Important Notes:

• Customer Supplied Heads Only: We do not supply cylinder head castings; this service is for customer-provided heads only.
• Shipping Instructions: Please remove all accessories (spark plugs, coolant plugs, steam port blocks, etc.) before shipping. Texas Speed & Performance is not responsible for any lost parts.
• Tuning Required: Proper tuning is necessary to maximize performance gains and ensure drivability.