The required tools are the J 37287 Fuel Line Shut-Off Adapters, the J 35800-A
Fuel Injector Cleaner, the J 42873-1 3/8 Fuel Line Shut-Off Valve, the J 42873-2 5/16 Return Pipe Shut-Off Valve, the J 42964-1 3/8 Fuel Pipe Shut-Off Valve and the J 42964-2 5/16 Fuel Pipe Shut-Off Valve.