What size truck do you have?
I don't know for sure what you call them but they are GM made axles.

Don't plan on finding new gears unless you want the 3.55 gears for a 1/2 ton

Grigg

Last edited by Grigg; 12/06/2007 1:11 AM.
•1951 GMC 250 in the Project Journals
•1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
•1952 Chevrolet 3800 pickup
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"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-