Dynomite Diesel New Injector Set 250% over stock — GM Duramax LLY 6.6L 2004.5-2005 (DDPNLLY-500)

Dynomite performance injector set

Dynomite Diesel new injector set (DDPNLLY-500) at 250% over stock for GM Duramax LLY 6.6L 2004.5-2005.

Street and tow sizes Dynomite marks as stock-truck friendly stay at the rates they publish; larger sizes need supporting fueling and tuning.

Who it's for

Diesel HD owners of GM Duramax LLY 6.6L 2004.5-2005 trucks who want Dynomite’s matched set at this flow level.

Key specs (per Dynomite Diesel)

What's included

• Matched injector set of 8 (per Dynomite)
• Balanced / flow-matched as Dynomite ships this SKU

Fitment notes

• Confirm years, engine code, and cab/bed against Dynomite’s listing for DDPNLLY-500 before ordering.
• Professional install recommended — injectors and pumps need clean fuel and correct torque / coding where the platform requires it.
• Larger-than-stock flow rates may need fuel-system and tuning support — follow Dynomite’s guidance for this size.
• California sale restriction applies where Dynomite lists it for this SKU.

Professional install available at Powertech Diesel, Idaho Falls — call 208-542-7793.

Not for sale in California (per Dynomite Diesel listing — keep this restriction).