Fits: 2004.5 thru 2005 Chevy Silverado/GMC Sierra 2500HD/3500HD LLY Duramax Diesel

The Industrial Injection 50% over R4 Injectors have been extrude honed and balanced to a perfect matching set injectors that flow 29LPM. The R4 50% over injectors should be ran with a 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. The injectors are balanced to a tighter tolerance than the original manufacturer and have put a lot of time into making these the best injectors money can buy. All the injectors are built in house with BRAND NEW Factory OEM parts including the nozzles.

Features:

• Better Fuel Economy
• 50% Over / 29LPM
• 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 $75 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.