Havoc LLY Stock

Built for reliability, power, and precision, Havoc Diesel Injection LLY Duramax injectors are engineered to deliver unmatched performance for your 2004.5–2005 6.6L Duramax. Whether you’re towing heavy loads or daily driving, these injectors provide clean fueling, improved throttle response, smoother idle quality, and consistent power delivery across the RPM range.