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Engineered Diesel

Fuel Injector Sets - New & Reman TorqueMaster S&S up to 500% over - LLY GM Duramax 6.6L 2004.5 - 2005

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12.00 LBS
Calculated at checkout

Product Description

 *Image is a representation of this item. Actual item may vary.


Sets of 8

Fuel Injector Sets - New & Reman TorqueMaster S&S up to 500% over - LLY GM Duramax 6.6L 2004.5 - 2005 (SS-LLY-XXXXX)

 8th digit of VIN# is 2.


Choose your Injector size! New and Remans Available

** 20% through 500% over is a 1-2 week wait before shipping **

  •  TorqueMaster SS-LLY-10SAC or SS-LLY-10SACR

     - Replaces your STOCK injectors with NO additional modifications required to run! Just bolt-on and go!

     - Recommend installing as a set but may be mixed in with stock-size injectors.

     - Brand New injector modified for a slight increase in power at full throttle.

     - Great Upgrade for Stock Trucks! (and relatively stock trucks)

  • 30% Over (60hp) SS-LLY-30SAC or SS-LLY-30SACR **

  • 45% Over (90hp) SS-LLY-45SAC or SS-LLY-45SACR **

  • 60% Over (120hp) SS-LLY-60SAC or SS-LLY-60SACR **

  • 80% Over (160hp) SS-LLY-80SAC or SS-LLY-80SACR **

  • 100% Over (200hp) SS-LLY-100SAC or SS-LLY-100SACR **

  • 150% Over (300hp) SS-LLY-150SAC or SS-LLY-150SACR **

  • 200% Over (400hp) SS-LLY-200SAC or SS-LLY-200SACR **

  • 250% Over (500hp) SS-LLY-250SAC or SS-LLY-250SACR **

  • 300% Over (600hp) SS-LLY-300SAC or SS-LLY-300SACR **

  • 350% Over (700hp) SS-LLY-350SAC or SS-LLY-350SACR **

  • 400% Over (800hp) SS-LLY-400SAC or SS-LLY-400SACR **

  • 450% Over (900hp) SS-LLY-450SAC or SS-LLY-450SACR **

  • 500% Over (1000hp) SS-LLY-500SAC or SS-LLY-500SACR **


Replaces part numbers: 

Bosch Reman: 0986435504, 445120027 

GM: 97780144, 97303657



**WARRANTY: 1yr/unlimited mileage warranty, unless otherwise specified. Covers manufacturer defects and faulty workmanship. DOES NOT COVER FAILURE DUE TO DEBRIS IN THE INJECTOR, BAD FUEL, DIRTY INSTALL, FAILED FEED TUBES, ETC.  ALSO NOT COVERED: damage due to water, gasoline, or other contaminants in the fuel. Operating any injector on any fuel other than commercially available petroleum diesel including biodiesel and any homemade blends may result in jeopardizing the warranty. If the injectors are being replaced due to contaminated fuel, the feed tubes must be replaced. All customers are highly advised to use Stanadyne performance formula diesel fuel additive!**


Core Policy

REQUIRED: You must choose to either pay your core charge at the time of purchase or waive your core charge and mail us your cores first. 

US Orders: Core charge will be refunded if core is returned within 30 days of ship date.

CANADIAN Orders: Core charge will be refunded if core is returned within 60 days of ship date.


If you have chosen to waive the core charge, mail them to the following address 


Attn: Cores 

Engineered Diesel 

8566 Lake Michigan Dr 

Allendale, Mi 49401 

Your product wil be shipped to you after we receive your cores.



Drain as much fluid as possible. Package your core so as to prevent puncture of packaging.

Engineered Diesel, UPS, Fed Ex, and the US Postal Service will NOT tolerate fluid contamination of other packages.



Product Videos

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