"A manual transmission rebuild kit has the synchro rings, splines, gaskets, bearings and more to transform your transmission instantly and offer better performance on and off-road. 4WD carries rebuild kits from Trail Gear and Crown Automotive that give you the components to complete the job. No matter what your budget is, we have kits that fit a variety of Jeep transmissions ranging from AX5s to AX15s to T5s. Kits fit different budgets and some include syncros and silicon required for sealing. Our expert techs can help you make sure everything lines up with your transmission rebuild so the whole process goes smoothly. "