The Tremec Interlock Shifter Shaft is a durable transmission component designed to securely lock your shift lever in place. Made with high quality steel, the shift shaft is reliable and built to last for up to 12 months under normal use. Measuring 2" in width, 3" in length, and 2" in height, it is lightweight at only 0.27 pounds. Keep your car safe with this manual transmission interlock.