VA2RJR. Device Connecting Drive Shaft to Axle Shafts that allows For varied speeds of Wheel Rotation. VA2RJR. A Single Complete Drive Axle Assembly. used on vehicles that utilize dependent Suspension systems. that includes a Differential and Drive axles to deliver Power to The Wheels of a Vehicle in Order to Drive The Vehicle. The Housing of a Differential that holds The Gears. pinions. Differential Case. etc.