5 Ton 900 Axleshaft Conversion Seal, allows you to run newer A2 style axle shafts with the extra seal lip, in the older style housing
For seals for CV style and Ball and Claw follow this link -> Stock Axle Seal
Please Note: 5 Ton A2 series Axle shafts have an extra wear sleeve on the inner Axle where the seal rides, they require a slightly larger ID seal than every other style of 5 Ton Axle shaft
A2 Axle shafts are only found from the factory in 5 Ton steer axles with CTIS systems