Might as well get a new maf on there, but I think there is a cleaning procedure you can do with some carb/brake cleaner that could possible save it. You would be surprised how many sensors can trigger a "rev limiter".

Confirm base timing, make sure all plugs, wires, cap , rotor, and disty/coil are up to snuff, get the new maf, reset ecu, make sure there are no codes and you should be set!