No difference. They were all the same AND to show you how much more confusing it can be, 49-54 car brakes, bearings and hubs will also fit the 41-54 truck fron axle.
"Truckin' Around .......... Since 1937!" My name is Joe and I am addicted to Classic Country Music. I just can't hep myself. Operators are standing by to take your calls! Now cruising in the Passing Lane