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I've got a question about my ring and pinion gears. How would you find out what you have. I know they are 3.73 but I don't know the size or spline. the tag is missing from the dif. thanks, Chris
 

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I did a quick check with accuautoparts.com and it looks like you've got a 8.25" up front and a 10 bolt 8.6" 30 spline in the back. Check with the website and make sure I had all the right info. 2000 sierra, 4x4 with 5.3.
 

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Thanks Man

Thanks alot. You had all of the info correc t. I looked at their website as well. Motive gears and a better rear dif is in the works!!! Thanks Again, Chris
 
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