Industrial 0986435504SE-R5 Reman 80% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

Features:

• Increases fuel flow by 80 percent
• Delivers 45 liters per minute fuel output
• Ideal for race and sled pull use
• Built for extreme performance applications
• Precision remanufactured to high OEM standards
• Compatible with 2004.5–2005 LLY Duramax engines
• Enhances horsepower and throttle response
• Requires 8 injectors for complete engine set
• Sold individually for flexible replacement needs
• Core charge refundable with rebuildable return
• Supports high-horsepower custom builds
• Not intended for street or emissions use

Give Your Duramax The Fuel It Craves

When it comes to building a serious competition truck, fuel delivery is everything. The Industrial Injection Reman 80% Over Injector is built for enthusiasts who want to squeeze every ounce of power out of their 2004.5–2005 Duramax LLY. Whether you're tearing through the dirt at a sled pull or launching down the track on race day, this injector is designed to meet the extreme demands of high-performance diesel builds. With 80 percent more fuel flow than stock, it delivers the extra fueling your engine needs to support aggressive tuning and heavy boost. Each injector is sold individually, which gives you the flexibility to replace just one or piece together a full set, though eight are required for a complete install. These aren’t your everyday street injectors, they’re built for trucks that live wide open. If you’re chasing big power and consistent fueling under pressure, this injector belongs in your toolbox.

Engineered For Flow And Built To Compete

The Industrial 0986435504SE-R5 Reman 80% Over Injector provides a substantial increase in fuel delivery with a 45 liter per minute flow rate. It’s specifically designed for 2004.5–2005 GM 2500HD and 3500HD trucks running the 6.6L Duramax LLY, making it a drop-in upgrade for those pushing beyond factory limits. This injector is part of Industrial Injection’s high-performance Race series, engineered for off-road, race, and sled pull competition where precise, high-volume fueling is critical. As a remanufactured unit, it’s built with the same rigorous standards applied to new components, ensuring durability and consistent output under load. A refundable core charge applies, but as long as the returned core is rebuildable, customers can reclaim part of the cost. These injectors work best when paired with upgraded fuel systems, custom tuning, and other performance mods. Each one is sold individually, giving builders full control over their setup based on need and budget.

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

Notes:

• Designed specifically for 2004.5–2005 LLY Duramax engines
• Injector delivers 80% more fuel over stock
• Intended for race and sled pull competition use only
• Sold individually—purchase eight for a complete set
• Delivers 45 liters per minute of fuel flow
• Remanufactured to meet high performance and quality standards
• Requires custom tuning and supporting fuel system upgrades
• Not recommended for street-driven or emissions-compliant vehicles
• Includes a core charge refundable upon return of a rebuildable core
• Best installed by experienced builders or diesel professionals