The hexbar linkage can be permanently wear-proofed for 20-30 bucks and a few hours time. Heim joints, 5/16" ID. Invented by RS-60 Mark and myself back in 2006.
If your throttle jams, turn the key off and push the clutch in. Coast to the side of the road. There is no column lock on 99.9% of these cars to worry about.
I don't know who makes it, but there was a pulley and bracket thing that bolted to the fan shroud for the cable to ride in. It prevented wear that frayed the cable.