Sitting Lady Tractor & Trailer Air Valve Knobs

Iowa 80 Verified independent store

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Your semi truck interior has never looked so good! Accent your dash with beautiful, high quality chrome plated aluminum knobs. Engraved with classic sitting lady design. Knobs will never tarnish, are scratch resistant, and easy to clean. Choose shape from drop down menu. 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 logo the way you want it. Tighten the set screw with a 3/32 Allen wrench, not included. Show more