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With that in mind, Jay Prosch-Jensen recommended the use of an ARB air-operated locking differential. The Australian-built Air Locker allows conversion, with a flip of the dash-mounted switch, from an open rear end to a spool. With the accompanying air compressor, you simply air up when you are finished at the strip and return the rear end to open operation.
1969 Holley Road Runner, Part X

 With that in mind, Jay Prosch-Jensen recommended the use of an ARB air-operated locking differential. The Australian-built Air Locker allows conversion, with a flip of the dash-mounted switch, from an open rear end to a spool. With the accompanying air compressor, you simply air up when you are finished at the strip and return the rear end to open operation.  View Related Article

 

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