Ausleys (ACP) new reproduction antenna features a look exactly like the original. It has a 30 inch, mast that General Motors found was the best length for picking up FM stations. It also has the enlongated housing that allows for you to install the top nut without stripping out the threads. Manufactured exclusively by Ausleys this part has had a 100% approval rating among installers. Also available in AM mast for cars without factory AM-FM radio.