Bob C.: These are on a 1/2T pickup and I got them from Chevy Duty . Whether they are the same for your truck I couldn't tell you. I can measure length if you like.

Here's the pix of installation both ways. I can find no interference when using the sandwich method. It may look like the bolts are close to the shoe but they are not, optical illusion.

[img]http://www.whcinc.com/images/P5280001.JPG[/img]
[img]http://www.whcinc.com/images/P5280002.JPG[/img]
[img]http://www.whcinc.com/images/P5280003.JPG[/img]