SUNEX TOOLS 236xd 1/2-Inch Drive 1-1/8-Inch Extra Deep Impact Socket

Pickup a spare IPR valve and get an extra deep 1-1/8 or 29mm socket. Good chance your IPR fails one day and leaves you stuck. The deep socket: https://a.co/d/0eEHgYsX Keep a pair of vise grips with zip ties in the truck. These are old trucks and if you pop any brake line you'll be without brakes. Use the vise grips to clamp the popped line closed secure with zip ties. Recommend just getting all of the soft brake lines replaced.