Double Dragon 120% Over II-Reman CP3 Pump

Features:

• Flows 120% more fuel than stock
• Built from genuine OEM CP3 core
• Completely remanufactured with all new OEM parts
• Balanced to tighter-than-factory tolerances
• Supports full race and high-performance builds
• Delivers consistent and efficient fuel output
• Tested in-house for quality and reliability
• Ideal for large injectors and aggressive tuning
• Direct-fit for 2004.5–2005 Duramax LLY engines
• Works with stock to fully built competition trucks
• Designed for durability under extreme demands

Feed Your Build With Everything It Can Handle

When you’re pushing your 2004.5–2005 Duramax LLY past the limits of stock fueling, the Industrial Injection Double Dragon 120% Over II-Reman CP3 Pump is the upgrade that steps in without hesitation. Built to fuel full-performance and competition-level trucks, this pump delivers massive volume while maintaining smooth drivability when you need it most. Whether you're running large injectors, compound turbos, or a heavily tuned setup, this pump is ready to back it up with 120% more fuel flow than stock. It’s not just a rebuilt unit, it’s completely remanufactured in-house using brand new OEM components and then balanced to ultra-tight tolerances. The result is consistent output, stable performance under pressure, and reliability that doesn’t flinch when things get serious. It fits like a stock replacement, so there’s no guesswork or custom fab needed. If your build is hungry for fuel, this pump is the piece that keeps everything moving in sync.

Maximum Output For The Most Demanding Applications

The Industrial 0986437308DDSE Double Dragon CP3 Pump is engineered for Duramax LLY owners pushing serious power through their 2004.5–2005 Silverado or Sierra 2500HD/3500HD. Starting from a genuine OEM CP3 core, this pump is fully remanufactured in-house with all new factory OEM parts to restore and exceed original function. It is then modified for 120% over stock fuel flow, offering the volume needed for high-horsepower setups including race builds, aggressive tuning, and oversized injectors. Each unit is carefully balanced beyond factory specifications to improve durability, reduce pulsation, and ensure consistent fuel delivery under extreme load conditions. The pump is thoroughly tested to verify output stability and operational reliability before it ever reaches your truck. It’s a drop-in fit for LLY applications, making installation straightforward for experienced builders. Whether you're chasing numbers on the dyno or towing with heavy performance mods, this CP3 delivers fuel with the precision your build requires.

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

Notes:

• Built from a genuine OEM CP3 core
• Fully remanufactured in-house with all new OEM components
• Modified to deliver 120% more fuel than stock
• Balanced to tighter-than-factory tolerances for improved precision
• Designed to support high-performance and competition-level builds
• Ideal for trucks running large injectors and aggressive tuning
• Performs reliably from stock to fully built applications
• Tested for consistent output and long-term durability
• Direct-fit replacement for 2004.5–2005 GM 6.6L Duramax LLY engines