Adapt your Mishimoto shift knob to a wide range of vehicles with this universal adapter kit. Designed for enthusiasts who want to transfer their favorite shift knob between cars, this kit includes four durable plastic inserts to fit most common shifter thread sizes: M8x1.25, M10x1.5, M10x1.25, and M12x1.25. Simply select the correct adapter for your shifter, thread it into your Mishimoto shift knob, and install. Ideal for project builds, daily drivers, or anyone seeking a straightforward shift knob upgrade. Kit includes four adapters. Shift knob not included.