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Air brake knob adapter for 2.25" diameter knobs - SINGLE
The female side of this adapter fits standard threaded MV3 part control valves, commonly found on most trucks. Not compatible with air brake knobs that install with a roll-pin.
Sold SINGLE. Knobs and jam nuts not included.
The male end of this adapter is a 1/2" x 13 thread - compatible with our round gear shift knobs.