[Coozer]

Check this pic out, balance bar has a bearing in the middle that slides along the brake pedal letting the force be moved across from front to back.

http://www.demon-tweeks.co.uk/produc...&pcode=OBP0040

This one from Rally Design looks like it comes with the tube needed to be welded to the pedal.

http://www.rallydesign.co.uk/product_info.php?cPath=562_580_581&products_id=406 2

Hope that helps.

Steve