YEs to all, but best you replace that 30 year old shitter with a new one that will work for another 30 years. Lozza the korean import guru should be able to map you up a complete ignition system. Set it and forget it ! other wise you end up chasing your tail as each section slowly falls over. Problem with fitting one new bit can often overload the other old bit and the crumbling chain starts.............
Failing that your living with filing points in the mud for the rest of your life.