Take your ZL1 to the next level with our Stage 2 Performance Package—building on the proven Stage 1 setup by adding a custom camshaft package for substantial gains in horsepower, sound, and overall performance.

This package is designed for customers looking for a more aggressive setup with a noticeable idle, increased power throughout the RPM range, and a true performance driving experience.

What’s Included:

Everything from Stage 1:

• ROTO-FAB Cold Air Intake
• Stainless Works Long Tube Headers
• Mighty Mouse Solutions Catch Can
• NGK Performance Spark Plugs
• Custom In-House Dyno Tuning

Stage 2 Upgrades:

Custom Spec Camshaft Kit
Our custom-spec camshaft is designed specifically for the LT4 platform to maximize power while maintaining drivability. Each cam is carefully selected to match your goals—whether that’s street performance, track use, or a balance of both.

Complete Supporting Valve Train Package
Includes all required components to properly support the camshaft upgrade, ensuring reliability and performance at higher RPM:

• Upgraded dual valve springs
• Chromoly pushrods
• Valve seals and necessary hardware
• New gaskets and installation components
• Installation

CHE Trunnion Upgrade
High-performance trunnion upgrade from CHE Precision to strengthen the factory rocker arms and improve durability under increased load and RPM.

Key Benefits:

• Significant horsepower and torque gains over Stage 1
• Aggressive camshaft sound and lope
• Increased top-end performance and power band extension
• Strengthened valvetrain for reliability at higher RPM
• Fully dialed-in drivability with custom dyno tuning

Additional Notes:

• This package is installed tuned and ready to enjoy
• Custom tuning is included and required for proper operation
• Package can be tailored to meet specific performance goals