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The ones that are different and hard to get are from the rear spindles and the pinion, which are UNEF instead of UNF.
Which means they are 3/4-20 and 7/8-20.
You will still need to know the sizes of the taps. Thread chasers for the studs, and bolts are ok if all you are doing is that chasing or cleaning up the existing threads. If you don't know what the number of threads are on the particular nut, bolt, or stud, known in the states as TPI, you will need a pitch gauage or be able to count the number of threads in 1 inch. (TPI is threads per inch).
I would only buy what I needed and if you can get a coated taps it will last you a very long time. Dies or chasers do not come coated I think.