Air Cleaner Stud Kit Alum W/ Seal

Includes aluminum stud, thumb knob, air cleaner lid mounting stop and jam nut Mounting stop & jam nut go under air cleaner lid so you can tighten the thumb knob without distorting the lid Set screw in thumb knob keeps it from coming loose - beats duct tape! Built-in rubber seal keeps dust out of your engine Top thread 5/16", bottom carb thread 5/16" - Holley®