Tuning Cylinder Head for LS3 Engines

The Tuning Cylinder Head is engineered specifically for LS3 engines, providing exceptional performance for both track and street use. Constructed from 6061-T6 aluminum, it boasts high mechanical strength, temperature resistance, and precise CNC machining. The T6 heat treatment enhances material hardness and dimensional stability, ensuring durability in extreme conditions. The optimized intake port and combustion chamber shapes facilitate excellent airflow.

The enlarged intake and exhaust ports promote efficient cylinder filling, resulting in improved airflow efficiency and enhanced performance across the entire rev range, while maintaining torque in the low and mid-range. The exhaust port outlet is centrally designed relative to the valve, allowing for more uniform flow and increased exhaust system efficiency.

• Material: 6061-T6 aluminum, heat-treated (T6 heat-treated)
  • Combustion chamber volume: 70 cc
  • Intake port volume: 273 cc
  • Intake port dimensions: 31.5 x 67 mm
  • Exhaust port volume: 94 cc
  • Exhaust port dimensions: 45.5 x 43 mm
  • Spark plug position: as original
  • Intake valve diameter: 48.5 mm
  • Exhaust valve diameter: 35 mm
  • Valve stem diameter: 7.7 mm
  • Valve spring seat diameter: 40 mm
  • Valve guide material: manganese bronze
  • Outer diameter of the valve guide: 12.50 mm - 14 mm at the base

Advantages of the design:
• High strength and stability from 6061-T6 aluminum
• Enhanced flow due to refined port geometry
• Improved engine response at high RPM
• Durable manganese bronze guides resistant to wear
• Compatible with OEM LS3 components

Application:
Designed for LS3 engines in Chevrolet, Pontiac, and GM Performance vehicles. Ideal for users seeking high durability, precision workmanship, and increased power without sacrificing reliability.