Nope- - - -the 54 and early 55 frames have a flattened area under the bed instead of the high arch over the rear axle that the 53 and earlier trucks have, so the shape of the bed and the mounting brackets are different.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!