Your  semi truck interior  has never looked so good! Accent your dash with beautiful, high quality chrome plated aluminum knobs. Featuring the Mack logo. Knobs will never tarnish, are scratch resistant, and easy to clean.
Sold individually.

To Install:

• Before taking off your plastic knobs, set the yellow and red stickers on your dashboard behind the corresponding valve.
• Unscrew the plastic knobs and install the corresponding chrome knobs onto each valve.
• Make sure the set screw on your chrome knob is not already engaged before starting ignition.
• Screw the button and align the knob the way you want it.
• Tighten the set screw with a 3/32 Allen wrench, not included.