VMS Racing shift boot adapter in T-6061 billet aluminum that will fit most Honda / Acura vehicles with manual transmissions. VMS Racing shift boot adapters are threaded to manufacturer standards for easy installation, no need for drilling or tapping. The thread of this shift boot adapter is 10x1.5 mm and might fit other brands of vehicles that have the same shift knob thread. Shift boot adapter is made to Work on Manual transmission vehicles ONLY. VMS Racing shift boot adapters are manufactured of Aircraft