• Includes aluminum stud, thumb knob, air cleaner lid mounting stop & jam nut
• Mounting stop & jam nut go under air cleaner lid so you can tighten 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"-18, bottom carb thread 1/4"-20
• Length: 7"
• Finish: Red anodized