2004.5-2005 Duramax Nozzle Set 20% Over 50HP (DDPLLY-50NZ)

Fits

Give your LLY Duramax a crisp performance bump without sacrificing reliability or street manners. These 20% over nozzles deliver a solid 50 RWHP gain and can support up to 600 RWHP, making them the perfect choice for daily driving and improved fuel economy. Engineered for a clean burn and smooth operation, this balanced set is safe for stock trucks while providing the extra fuel needed for effortless towing and passing on the highway.

Part Number: DDPLLY-50NZ

Superseded Part Number: DDP.NOZ-DLLY-20

• 20% over stock flow
• 50HP performance increase
• Supports up to 600 RWHP
• Improved fuel economy potential
• Excellent street drivability
• Balanced and matched set

• 8 New 20% Over Nozzles
• 8 x Copper Sealing Washers

• IMPORTANT NOTE: All nozzles should be installed, and the injectors calibrated, by a professional shop familiar with calibrating oversized injectors.  Due to the wide variations in injector calibrations from other manufacturers, we cannot guarantee you will see the stated horsepower gains unless the nozzles are installed by Dynomite Diesel and all other supporting modifications are in place.
• Pyrometer highly recommended
  
• Custom tuning recommended for best results