Fits: 2004.5 thru 2005 Chevy Silverado/GMC Sierra 2500HD/3500HD LLY Duramax Diesel 

Whether you need to refresh your fuel system or just want more power in your truck, Exergy is the way to go. These LLY injectors are available new or remanufactured, then modified to allow for better flow.

Once the nozzles are opened up to the desired flow percentage, then the injector is reassembled and the set is balanced to within +/- 4%.

HP Rating Based On Nozzle Size

30% Nozzles: 50-60 hp
45% Nozzles: 80-100 hp
60% Nozzles: 120 hp
100% Nozzles: 200 hp
*These are just approximate gains

Includes:

• 8x New or Remanufactured Exergy LLY 45% over Injector Set
  

Notes: 

• THE MANUFACTURE, SALE, OFFER FOR SALE, OR INSTALLATION OF THIS PRODUCT IS NOT LEGAL IN CALIFORNIA.
• Most Exergy parts are custom order and have a 5-7 day lead time before shipping