GM 14-Bolt Rear 10.5 Inch 1972-87 Ring Pinion Koyo Bearing Master Install Kit Revolution Gear and Axle Interior - Dash & Gauges - Electronic Multi Purpose Gauge Using the factory cross member

Using the factory cross member

or 3rd party EMS or logger that accepts AEMnet

Load Rating: 1800

and spacer

Bolt in place of the factory ignition

GM 14-Bolt Rear 10.5 Inch 1972-87 Ring Pinion Koyo Bearing Master Install Kit Revolution Gear and Axle Interior - Dash & Gauges - Electronic Multi Purpose Gauge Using the factory cross memberRevolution Gear and Axle Ring and Pinion Master Install Kits offer a comprehensive bill of material with all the components needed to overhaul your differential ring and pinion gear set. Our Master Install Kits contain the highest quality components from name brands like Koyo bearings. Master Install Kits include differential pinion bearings and carrier bearings and are designed to meet the rigorous standards of both daily drivers and performance