The Twisted ShifterZ Cummins Shift Knob is a white knob with a red ball that fits most makes and models. It's a practical and stylish addition to any vehicle, providing a comfortable grip and easy shifting. Most Twisted ShifterZ shift knobs require a new adapter, but this one is versatile enough to fit a wide range of vehicles. Upgrade your driving experience with the Twisted ShifterZ Cummins Shift Knob.