Set includes tools to remove fuel injector sleeves, clean the injector bore and fuel galley, and install injector sleeve cups. With the head removed, the slide hammer adapter can be installed to pull the injector sleeve. The brush set properly cleans the injector bore which is required for the fuel injector sleeve cup installer to properly seat the cup. Similar to 303-768, 303-767, 303-DS110. Applications include: 2006-2009 4. 5L Diesel 2004-2010 6. 0L Diesel