Yes. There are manysuppliers of aftermarket bolt-on kits.
Disc brakes
be sure to purcahse the tool to "screw" the caliper piston in. If you try to push the piston in on rear disc brakes you will damange the caliper.
Yes, the front has discs brakes on them.
They are disc brakes and self adjusting
The first year it came standard with disc brakes up front would be 1971. For a couple years before that it was an option.
Power assisted disc brakes.
You have to change the whole rearend and the master cylinder.
If yours has the rear disc then they all have them.
To change the front disc brakes on a Kia Rio, simply remove the assembly held by two bolts. Push the piston back and replace the disc brakes with new.
Yes. I own a 2000 Chevy Blazer.
YES
You can't adjust disc brakes