This is the TightSteer© sector shaft tension device to keep the sector shaft pushed into the worm shaft at all times. The device has a spring loaded button that pushed on the sector shaft in place of your adjustment screw. Nice product for Ross steering boxes. This TightSteer© has 7/16-20" Threads.
This Tightsteer© fits 1941-1965 MB, GPW, M38, CJ2A, CJ3A, CJ3B, CJ5, CJ6 and 1946-1953 Pick Up Truck, Station Wagon, Sedan Delivery and Jeepster models. (Special note on 1954 & Later Pick Up TruckStation Wagon and Sedan Delivery & 1966-1971 CJ5 and CJ6 models: choose TightSteer© 200.)
Specifications: Body: 3/4" by 1 1/2", Steel: 1144, Spring Load: 90lbs, Pressure Pin: Tempered Steel.
Cautionary Note:TightSteer© cannot compensate for worn wheel bearings, worn king pins or king pin bearings, worn pitman arms or pitman arm bearings, improperly set camber, improperly set caster, improperly set toe-in, or worn tie rod ends. Ensure that these components and settings are correct before installing TightSteer©.
1 Required per Jeep