some more major parts may differ, but electrical tune up bits will be the same for any 55 235, as well as gaskets .... but call it a "55 Chevy truck", not a "GM" or you'll have'em tellin you GMC didn't have a 235
"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