we need a strong front differential for my AWD S-10 project, and after months of searching, I finally found the ultra rare cast iron ZR-2 front diff as well as an Oldsmobile Bravada unit which will be combined to make the strongest GM 7.25" IFS diff available.

regearing the larger GM 8.25" IFS front diff with 4.30s
   • ReGearing an IFS Differential: 4.30s ...