Looking for an improved fuel flow and performance in your 2004.5-2005 LLY Duramax? Look no further than the S&S Diesel LLY-10SAC-R Reman Torque Master Injector. These injectors exceed factory fuel flow to give you the edge you need, whether you're on the street or the track. They're also a perfect stock alternative, offering "Stock Plus Performance" in one convenient package. With the S&S Diesel LLY-10SAC-R Torque Master Injector, you'll be able to take your Duramax to the next level! • Improved fuel flow • Exceed factory fuel flow • "Stock Plus Performance" • Perfect stock alternative S&S Upgrades ⦁ Proprietary nozzle honing process for clean and consistent holes ⦁ Nozzles flow-matched to 1% variance per set, using OE standards ⦁ Viscor SAE-J967 ⦁ 40 degrees C ⦁ 100 bar ⦁ Injectors flow-matched to 3% variance per set ⦁ Viscor SAE-J967 ⦁ 40 degrees C ⦁ 4 different pressure/energizing points per injector ⦁ Injection profiles (rate shape) aligned ⦁ Injector build spec custom-matched to nozzle flow rate for each size ⦁ 250% (3200 cc/min) and up feature internal body modifications ⦁ Increased nozzle flow slows down the open/closing time ⦁ Body modifications improve the injection rate shape Options ⦁ Brand new or Bosch remanufactured bodies available ⦁ We only use reman bodies direct from Bosch for quality purposes, which differ from Bosch-certified remans ⦁ The industry has adopted a % increase in nozzle flow over stock as the sizing convention ⦁ Available sizes: TorqueMaster, 30%, 45%, 60%, 80%, 100%, 150%, 200%, 250%, 300%, 350%, 400%, 450%, 500% ⦁ Core returns required – $150 charge if no core returned.