There is no little flat bar in either picture. The picture is of a front brake which won't have parking brake components on it.

Most likely the rears on a 1-ton won't either. I imagine it has the drum behind the tranny.

"It's just a phase. He'll grow out of it." Mama, 1964

1956 Chevy 1/2-ton 3100
1953 Chevy 6100 "The Yard dog"
1954 GMC Suburban Now with a new proud owner.