Yukon Gear & Axle Master Overhaul Kit - GM 12 Bolt Truck Differential 1421 The XSB004 attaches to your

The XSB004 attaches to your Camaro with polyurethane bushings

550 Degree F Rated Silicone Jacket

Compatible with 1

1966-1966 GMC PB25 Series

Extra oil film thickness reduces oil burn off in the combustion chamber and helps preventing oil leaks

Yukon Gear & Axle Master Overhaul Kit - GM 12 Bolt Truck Differential 1421 The XSB004 attaches to yourYukon Gear Differential Master Overhaul Rebuild Kit For GM 12 Bolt Truck Differential Fits GM 12 bolt truck. Yukon Master Overhaul Kits are the most complete kits on the market and include all differential bearings and races along with seals, shims and high quality small parts. Yukon Master Overhaul kits give you all the high quality parts you need to start and finish every differential job. Yukon offers more tailor made kits than any other