440HP 4.8/5.3 LS H/C Kit

Truck Heads and Cam Power Package for 4.8 and 5.3 LS Engines (435-455 HP)

Unlock the potential of your 4.8 or 5.3 LS engine with this carefully crafted Heads and Cam Power Package. Designed to deliver 435-455 horsepower, this kit is ideal for truck owners looking to boost power while maintaining excellent drivability.

Key Components:

• TSP Stage 4 High Lift Truck Camshaft – This TSP Stage 4 High Lift Truck Camshaft is designed for high-performance applications, delivering excellent power gains from mid-range to top-end. Perfect for aggressive setups, it offers a lopey idle and impressive performance throughout the RPM range.
  • Camshaft Specs: 223/226 duration, .600"/.600" lift, 111 LSA (Lobe Separation Angle)
• Brawler LS6 Style CNC-Ported Cylinder Heads – These CNC-ported heads are designed to improve airflow and combustion efficiency, making them ideal for high-performance truck builds. Paired with the TSP 660 Spring Kit and Titanium Retainers, they ensure reliable performance at high RPMs.
• Texas Speed & Performance 5/16" .080 Wall Chromoly Hardened 7.400 Pushrods – These hardened pushrods are built to handle the increased demands of your upgraded valvetrain, providing strength and durability.

Performance Gains:

With the right supporting modifications, this package will deliver between 435-455 horsepower, making it perfect for performance builds for 4.8 and 5.3 LS engines.

Additional Components Required:

To complete the installation of this Heads and Cam Package, you will need the following additional components:

• Basic Heads & Camshaft Bolt Gasket Kit, available here.

AFM and VVT Considerations:

If your vehicle is equipped with Active Fuel Management (AFM) and/or Variable Valve Timing (VVT), you will also need:

• DoD/AFM Delete Kit, available here.
• VVT Delete Kit, available