The Yukon USA Standard Ring and Pinion set for Chrysler 8.75in ("89" housing) in a 3.90 ratio is a direct-fit replacement for that case and spline count. USA Standard Gear produces these ring and pinion sets to meet or exceed OEM specification and subjects them to in-house quality evaluations for dimensional, material, and fitment accuracy so the gear set installs correctly and provides quiet, reliable gear operation in compatible housings.
USA Standard Ring & Pinion Gear Set For Chrysler 8.75in in a 3.90 Ratio