5.13 Ratio 30-Spline Rear Ring and Pinion

The Zumbrota Drivetrain YGK2129 is a comprehensive re-gear kit featuring a 10.5-inch GM 14-bolt rear ring and pinion set with a 5.13 gear ratio and 30 splines. This Yukon Gear Kit consolidates essential components for a differential rebuild into a single part number. It includes premium Yukon ring and pinion sets, known for their quality in the automotive gear industry due to advanced design, heat-treating techniques, and rigorous testing. Additionally, this specific kit features a Yukon Dura Grip clutch-style Limited Slip Differential (LSD), ensuring all Positraction units are fully rebuildable. Key specifications for this ring and pinion set include a 10.5-inch ring gear diameter and a 5.13 gear ratio. It is designed to fit carrier cases that accommodate gear ratios of 4.10 and numerically lower. The ring gear bolt under head length is specified at 1.625 inches, and the spline count is 30. The kit is intended for applications with a 14-bolt rear cover and a 12-bolt ring gear. This particular kit is ideal for those looking to re-gear their vehicle for increased performance or to compensate for larger tire sizes.