Hey Nick,Get them from diesel orings.
It's not bad at all. Are they bad or is this preventative?
Invest in a Milwakee M12 cordless 3/8 ratchet, batteries and charger from Home Depot or Amazon.
3/8 6 inch and two or 3 inch extensions.
13mm flex head socket Sears or tool guy
Inch pound torque wrench
Small pry bar
Large soft rubber mallet. Use wood handle to push down injector retaking plate to seat injector instead of hitting the injector coil with the rubber head
Small pry bar.
8mm or 10mm I forget for injector bolts.
Remove Powerstroke plastic cover and it's frame so the studs don't poke you in the gut or ribs
Go to Hitchmate and look at step platform that hangs on front tire.
Get a couple freight blankets from Harbor Freight to Kay out up top if you end up up there.
Be one with the mighty Powerstroke, Grasshopper.