LLY Duramax Stock Flow Injectors

Maintain optimal engine performance with high-quality stock flow injectors designed specifically for the 2004.5–2005 LLY Duramax 6.6L. Engineered to deliver precise fuel flow and atomization, these injectors ensure smooth idling, efficient combustion, and consistent power. Ideal for stock or mild builds, our premium injectors meet or exceed OEM specifications to keep your Duramax running strong and reliable.