Dynomite Diesel NLLY-300 Brand New 150% Over SAC Injector Set | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

Features:

• Flows 150% more fuel than stock
• Brand new injector set with no core charge
• SAC style nozzles for high-performance flow
• Supports up to 1,350 RWHP with proper mods
• Internally upgraded for increased fuel delivery
• Requires dual CP3 and upgraded turbo setup
• Custom tuning is mandatory for safe use
• Designed for 2004.5–2005 LLY Duramax engines
• Competition-use only with signed race waiver
• Balanced and flow-matched injector set
• Ideal for drag racing and sled pulling builds
• Not legal for sale or use in California

Let Your LLY Duramax Breathe Like Never Before

If you’re serious about pushing your 2004.5–2005 LLY Duramax to the edge, the Dynomite Diesel 150% Over SAC Injector Set is built to match your ambition. These injectors aren’t for the casual weekend upgrade, this set is for the driver chasing big power numbers and even bigger wins. Flowing a massive 150 percent over stock, this brand new set has zero core charge and comes fully calibrated to deliver the fuel your high-horsepower build demands. Whether you're building a drag truck, a sled puller, or just want to see what your setup can really do, this injector set brings race-ready fueling to the table. With the right supporting mods like dual CP3s, upgraded turbos, and a solid tune, these injectors can support up to 1,350 RWHP. It’s all about getting the most from every drop of diesel, and these injectors make sure none of it goes to waste. When you’re ready to go all-in, this is the set that keeps your fuel system in the game.

High Flow Competition Injectors For Maximum Fuel Delivery

The Dynomite Diesel NLLY-300 injector set is engineered for competition-grade performance and is a direct-fit solution for 2004.5–2005 6.6L LLY Duramax engines. Featuring 150% over SAC style nozzles, these brand new injectors deliver a dramatic increase in fuel flow and are internally calibrated to optimize delivery under high-pressure, high-load conditions. Built to support up to 1,350 RWHP, this set is only intended for trucks equipped with modified or dual CP3 systems, upgraded turbochargers, and custom ECU tuning. Each injector is sold as a balanced and matched set, ensuring even fuel distribution across all cylinders for maximum reliability during hard pulls or high-speed runs. These injectors are ideal for serious competition use and are not suitable for daily driving or emission-compliant applications. As part of a full race build, they provide the precision and output required to support aggressive tuning and extreme performance. A signed race waiver is required, and they are not legal for sale or use in California.

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

Notes:

• Brand new injector set with no core charge
• Flows 150% more fuel than stock injectors
• Supports up to 1,350 RWHP with proper setup
• Intended for competition use only
• Requires modified or dual CP3 fuel system
• Upgraded turbochargers are strongly recommended
• Custom ECU tuning is mandatory
• Balanced and matched as a complete injector set
• Not suitable for daily driving or emission-compliant builds
• Sold only with signed race waiver
• Fits 2004.5–2005 GM Silverado/Sierra 6.6L LLY Duramax
• Not legal for sale or use in California