Torque Lock Slider fits all T10 transmissions, except AMC. AMC t10's use the Super T10 type slider. Korean made.
Torque lock sliders are designed and machined to hold the engagement teeth of your gear, providing less chance of it popping out or sliding out of gear. Provides help for gears that are worn or were previously popping out of gear. They work well in road race and circle track applications.