Fits: 2011 thru 2016 Chevy Silverado/GMC Sierra 2500HD/3500HD LML Duramax Diesel 

The Industrial Injection 50% over R4 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 26LPM. The R4 50% over injectors should be ran with an upgraded turbo, single S400 or compound turbo setup to run more efficiently and to help reduce EGTs. Also recommend a CP3 upgrade like the 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 Industrial Injection.

Features:

• Performance Injector
• Better Fuel Economy
• 50% Over / 26LPM
• 1 year Unlimited Mileage Warranty

Notes:

• 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.
• Injectors sold individually
• THE MANUFACTURE, SALE, OFFER FOR SALE, OR INSTALLATION OF THIS PRODUCT IS NOT LEGAL IN CALIFORNIA.