The OTC Pro Master Fuel Injection Service Kit allows users to perform fuel pressure testing, diagnose weak fuel pumps or restricted filters, test for fuel flow and perform leak-down tests. The kit includes a 0-100 psi fuel pressure gauge, 47 OTC fuel injection system adapters each with a quickconnect Schrader Valve, a 1997-2008 Fuel Injection Service Application Manual and replacement seal kit. The 7448 Fuel Injection Cleaner Canister and 7000A Fuel Injection Cleaner Solvent are sold seperately.