the 55-59 panels and burbs had a factory sway bar, might be able to find one and it'll bolt right up, they use the front spring mount for the ends and a pair of brackets for the body of the bar

Bill

Moved over to the Passing Lane

"When we tug a single thing in nature we find it attached to the rest of the world" John Muir
"When we tug a single thing on an old truck, we find it falls off" me
Some TF series details & TF heater pics & Rust-a-holics Unanimous parking lot