Stage 1 Bag Of Parts

Features:

• Increases CP3 fuel flow by up to 15%
• Supports higher output aftermarket injectors
• Includes pressure regulator and rail fitting
• Features a ported CP3 gear drive
• Simple, straightforward installation process
• Fits 2004.5-2005 6.6L Duramax LLY
• Compatible with Silverado and Sierra HD trucks
• Boosts fuel system performance without full replacement

Get More Fuel Without Replacing Your CP3

If your Duramax build is running out of fuel but you’re not ready to commit to a full CP3 replacement, the Industrial Injection Stage 1 Bag of Parts is the perfect solution. Designed specifically for 2004.5 to 2005 Silverado and Sierra 2500HD and 3500HD trucks with the 6.6L LLY Duramax, this kit helps your factory CP3 deliver up to 15% more fuel flow. That extra volume is exactly what you need to keep up with higher-demand aftermarket injectors without tearing into your entire fuel system. Whether you’re looking to support a mild performance build or just want to improve fuel delivery for better throttle response, this easy-to-install kit delivers real results without unnecessary complexity.

Complete Kit Designed for Real-World Gains

Industrial Injection includes everything you need to get the job done in one convenient package. Inside the Stage 1 Bag of Parts, you’ll find a new pressure regulator, a rail pressure fitting, and a ported CP3 gear drive. Each component is designed to work together to improve flow and support higher pressure demands. Installation is simple enough for the experienced DIYer and can be completed without removing the entire pump. This makes it a great option for truck owners looking to stretch the limits of their factory CP3 while keeping costs down. Whether you’re daily driving, towing, or building a mild performance truck, this kit helps you unlock more potential from your Duramax without overcomplicating the upgrade process.

Fits: 2004.5, 2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY