From the factory ( a.k.a Original )
The Four Wheel Drum cars would have had LEFT Front & LEFT Rear Wheel Studs om the LEFT Side .... and Right Front & Right Rear Wheel Studs on the
Right Side.... Fronts and Rears are different....
The Front Wheel Disc / Rear Drum cars would have had LEFT Front & LEFT Rear Wheel Studs on the LEFT Side .... and Right Front & Right Rear Wheel Studs on the
Right Side .... Fronts and Rears are different .....
Front Disc and Front Drum Wheel Studs are different.......
Everything mentioned are all 1/2 " ..... All " B " Body, " C " Body , and " E " Body all use 1 / 2 " Wheel Studs.......