Product Feature: * Application: For 1994-2007 Ford Powerstroke 6.0L & 7.3L Engines. Complete IPR Air Test Tool Kit. * Function: High pressure oil leaks are one of the major weaknesses of the 6.0L-7.3L Diesel engine and commonly cause a hard-start or no-start condition when the engine is hot. With this air test tool kit, you will be able to detect even the smallest leaks! This kit replaces the IPR valve so that the system can be completely sealed and even the smallest leaks can be detected. .