Factory OEM Remanufactured R4 50% Over 6.6L 2004.5-2005 LLY Duramax Injector 29LPM

The Industrial Injection 50% over Race 4 Injectors start out as a genuine stock remanufactured injector from the factory then have been extrude honed and balanced to a perfect matching set injectors that flow 29LPM. The Race 4 50% over injectors should be ran with one of our Silver Phatshaft turbos, Single S400 or our compound turbo setups to run more efficiently and to help reduce EGTs. We Also recommend a CP3 upgrade like our 120% over Double Dragon Fire Pump or Dual CP3 Kit We typically see a 1-3MPG increase in fuel economy. This is a 100% OEM Reman Injector directly from the factory themselves simply sold and modified by us here at Industrial Injection.; FEATURES:; - Performance Injector; - Better Fuel Economy; - 50% Over / 29LPM; - 1 year Unlimited Mileage Warranty; ; These injectors come with a new copper crush washer and o-rings for installation. Injectors are an OEM Genuine part that is a direct replacement injector. ; Each injector has a $150 core charge and is fully refundable if they are shipped back within 45 days.; All Industrial Injection / OEM products are covered by a one year/unlimited mile warranty.