Here are 4 web pages that will explain it better than I could. The last links is a small picture that shows how the upper mount pad is noticeably longer.
http://www.chevelles.com/forums/archive/index.php/t-84690.html http://www.chevelles.com/forums/archive/index.php/t-79239.html http://www.pozziracing.com/brakes.htm#disc_brake_spindle http://www.pozziracing.com/Media/2cam_spindles.jpg You need to read it all carefully, as there are slight differences in various years, but it will work for 64-72 chevelles, 67-69 camaros & 68-74 novas. On 7/25/05, Daniel Solomon <[EMAIL PROTECTED]> wrote: > "Have yours machined to work"? How is that done. What are the modiifications > required? > > > Dan Solomon > > > > -- Rick Schaefer 72 TPI El Camino