Yes,you can convert to {bud}wheels.NAPA should have the longer studs you will need for the rear.One ton front hubs will fit.Make sure the wheels have 1/2 inch lug holes.
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Floyd

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Floyd

If we choose being kind over being right,we will
be right every time.
Knowledge is a poor substitute for experience.
Remember what is precious to another, may not be to you, but it
is precious nonetheless.

1948 Chevy 2-Ton