ISO Gear change Chevy 3:73-4:10

blocke2

New Member
My truck is a 1994 Silverado 1500 5.7 auto 4x4. Looking to change the ring/pinion from 3:73 to 4:10. The install kits I’ve found are very expensive for the bearings and everything. I only want to do more than ring/pinion if I absolutely have to. I know it goes along the “well the diff is open so you might as well replace them”, but it drive perfectly and I don’t have the extra money for the bearings if I don’t 100% need them. I’d prefer just the ring/pinion, but I don’t know if changing the ratio requires different sizing. The truck is not my daily driver so I don’t need a quick turn around.

Anyone located within an hour of SLC please
 
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