Air Brake Tractor/Trailer Adapter Shift Knobs into Brake Knobs

Graybill Chrome Verified independent store

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GS - Air Brake Tractor/Trailer Adapter Shift Knobs into Brake Knobs Included is 1 - 5/8" tall high quality air brake knob adapter is for all 5/8 x 11 thread air brake / trailer val ves and will turn any 1/2 x 13 threaded size shift knob into an air brake / trailer knob. * Will not work with pin style valves * Stainless set screws * Hex tool included Show more