Industrial Injection GM Remanufactured Injector For 06-07 6.6L LLY/LBZ Duramax 23LPM - 0986435521SE-R1The Industrial Injection 20 percent over Race 1 Injectors have been extrude honed and balanced to a perfect matching set injectors that flow 23LPM. The Race 1 20 percent over injectors can be run with a stock turbo but one of our Phatshaft turbos or our compound turbo setups is highly recommended to help reduce EGTs. We typically see a 1 3MPG increase in fuel economy. We balance the injectors to a tighter tolerance than the original manufacturer and