Ready to upgrade or completely rebuild your GM Chevy 8.5-inch 10-Bolt rear end? This complete package has all the high-performance parts you need in one box. It includes a brand new Yukon Dura-Grip clutch-style Posi unit (for 30-spline axles), a new 3.73 ratio ring and pinion gear set, and a full master bearing and installation kit. The 3.73 gears are great for improving acceleration and towing capability compared to taller factory gears. The Yukon posi provides reliable limited-slip traction. This is a professional-grade kit for a serious rebuild or performance upgrade. Perfect for muscle cars, trucks, or off-road vehicles. Make sure this fits your specific 10-Bolt application (30-spline), and get ready to transform your rear end's performance!
