can anyone tell me the oe width on spider gears from the factory? the reasson im asking is because i blew out my spider gears, so i bought new ones and they do not fit there to wide. 
and can anyone give me a diagram or a how to on fixing please.
P.S this is on a 2000 gmc sierra 4x4 1/2 ton 8.5" rear and 4.10 gear ratio
and can anyone give me a diagram or a how to on fixing please.P.S this is on a 2000 gmc sierra 4x4 1/2 ton 8.5" rear and 4.10 gear ratio