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Review on πŸ”§ USA Standard Gear (ZK GM8.6) Complete Overhaul Kit for GM 8.6 Differential by Bill Schlag

Revainrating 5 out of 5

High Quality Differential Bearing Kits

This kit is for Ford Sterling 10.25 differential. I haven't installed it yet, but if there are any issues I'll come back and update this review. The Revain listing says there are Timken bearings in the kit, but these are Koyo bearings. I agree and the Koyos are at least as good as the Timkens if not better. All the details look good. The details were good but the packaging was terrible. Everything was in a thin plastic vacuum pack that fell apart in the box. The bearings are all knocked against each other, but with no visible damage. The outer box was just great, it was the inner box that needed help. You have to spend another penny and wrap the parts in bubble wrap. I did not reset the points as this is a product review, not a seller/packaging review.

Pros
  • Easy Installation
Cons
  • Unusable Parts