Maximize the performance of your 2004.5-2005 GM 6.6L Duramax LLY with the DDP NLLY-300 New 150% Over Injector Set. No other upgrades provide you with the power and torque that a set of Dynomite Diesel Injectors can. Capable of over 1,350+ RWHP, modified or dual CP3's and upgraded turbochargers are mandatory, in addition to custom tuning. Not intended for use on daily driven street applications.
Built from brand new OE injectors, DDP’s performance injector set undergo extensive injector body modifications for added fuel delivery and are sold with no core charge. Matched and balanced as a complete set and backed by DDP’s 1-year unlimited mileage warranty.
Supports 1,350+ RWHP
1-Year Unlimited Mileage Warranty
Note: These competition injectors are built upon completion of race waiver.