Thanks for that. here's a picture of my setup.

http://i113.piczo.com/view/3/h/b/5/2/u/p/w/0/w/z/t/img/i332603687_83204_5.jpg

I'd just like to be sure, as it will be a long way to bring them back from the UK to Denver if I buy the wrong pads!

Stuart.

1950 Chevrolet 3100 (occasionally working) truck:https://c2.staticflickr.com/6/5490/30684982201_6dc479d18d_c.jpg
1928 Chevrolet AB National Phaeton: https://c4.staticflickr.com/6/5573/30137792083_42886d30a4_c.jpg
1932 Austin Special Sports: https://c8.staticflickr.com/6/5793/30116567183_1520e67c4d_z.jpg