Yukon Gear Master Overhaul Kit for Select 1964-1973 Buick, Chevrolet, and Pontiac (GM 12 Bolt)

The Yukon Gear Master Overhaul Kit (YK GM12P) provides all the essential components required to professionally rebuild or service a GM 12-bolt passenger car differential. Designed for specialists who demand precision and longevity, this kit eliminates the guesswork of sourcing individual parts by providing a comprehensive package of high-tolerance components.

This kit features premium Timken bearings and races, the industry benchmark for OE-quality fitment and heat dissipation. Whether you are correcting gear whine, setting up a new gear ratio, or performing routine maintenance, these components ensure you can accurately set pinion preload and carrier backlash with the included master shim kit.

• Fits select 1964-1973 Buick, Chevrolet, and Pontiac passenger car models with a GM 12-bolt differential.
• Includes carrier bearings and races, plus pinion bearings and races (Timken).
• High-quality pinion seal and differential gasket for leak-free operation.
• Complete shim kit for precise ring and pinion setup.
• Includes ring gear bolts, pinion nut, and crush sleeve.
• Installation supplies: thread locker and gear marking compound with application brush.
• Manufacturer Part Number: YK GM12P