Join Date: Oct 2005
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if it is half ton, you have 10 bolts. now, ideally you could throw under 14 bolts. semi floater or full floater.
10 bolts are not real strong stock, but can be upgraded. the magic of the 10 bolt is what it was used in both cars and trucks, so there are many parts out there at a low price.
there are many aftermarket diffs out there. you need to take a look at each one, see which one fits your application best. the big downside of the 10 bolt are the stock axles. but, your in luck because upgrade axles are very common and cheep. summit racing has just about everything that you will need.
there are at least 2 different bearing sizes that hold the diff in the rear. so you want to confirm which one you have before ordering any parts.