Solid Brake Knob Series The Twisted Shifterz Solid Brake Knob delivers a clean, classic upgrade to your cab interior. Built with a polished billet aluminum collar and a smooth solid color resin top, this knob provides a secure fit using an adjustable alignment set screw. The comfortable 2-1/8 inch diameter design ensures dependable grip and long term performance for daily use. Choose from multiple solid, metallic, and neon colors to match your truck interior. Color Options Click the dropdown menu to choose your color. Product Features Solid or metallic finish resin for clean custom styling Polished billet collar for strength and shine 2-1/8 inch diameter for comfortable full grip Thread on installation for standard tractor trailer brake valves Alignment set screw included for proper orientation Durable molded construction for long service life Sold individually Fitment Fits most tractor trailer air brake valves using threaded knobs Compatible with OEM and aftermarket valve assemblies Installation Remove the existing brake knob Thread the new Twisted Shifterz knob onto the valve stem Align the design and tighten the jam screw Optional: apply thread locker for added retention FAQ Does this knob include an adapter? No. It threads directly onto standard brake valves. Is the surface glossy? Yes. All finishes are smooth and polished. Is there a matching shift knob? Some solid colors may have matching shift knob versions available. ⚠️ California Proposition 65 Warning:This product may expose you to chemicals including aluminum or resin compounds known to cause cancer or reproductive harm.For more information visit www.P65Warnings.ca.gov.
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