After a lot of careful measuring, drilling, bending, & welding, it's a perfect fit, and positioned so it can mimic the stock chair's stance & location.

Bolts were added to the floor with this technique:



http://www.fordf150.net/forums/viewtopic.php?f=21&t=118769&p=772725#p772725

See the NEXT several pics & captions...

Owner caption July 2012 · Photo 4560 of 5000