Kit is used to properly service the entire engine fuel system, that contains everything that is to be replaced in cases of contamination. Comes with all injectors, steel lines, return line/harness, fuel pump etc. It does not come with the DCFM or the fuel cooler assembly (those can be flushed or replaced as necessary).
Cores must be returned to KT Performance within 60 days of product delivery. After 60 days there will be a late fee of 10% per month deducted from the core value.
Core items are the Fuel Injectors, Fuel Rails, Fuel Lines and the High Pressure Fuel Pump.