I had a look in the garage this morning, the split spacers are definately from the cross shaft for the parking brake. thumbs_up
As Denny said they space the drop links out from the chassis at the brake cables.
I had a look at my parking brake foot pedal assembly and I have to agree with Denny and Brad too!
Who needs an assembly manual..... when you've got The Stovebolt Forum! grin
Jock wave

1950 Chevy Advance Design 3100 in Scotland
In the Stovebolt Gallery
More pix on Flickr.
I've definately got this truck thing in my blood ... my DNA sequence has torque settings
"Of all the small nations of this earth,perhaps only the ancient Greeks surpass the Scots in their contribution to mankind" Winston Churchill.