Yukon Gear 63-69 GM 12-bolt Truck 5 Lug Conversion Kit w/ Dura Grip Positraction - YA G6369RACK-YDG-4

This kit converts the stock GM six-lug bolt pattern to a five-lug design will added the traction of a Yukon Dura Grip positraction limited slip differential, new axles, and new drum brake assemblies.
Installation Instructions