Features:
Replacement of factory Parts#ARA310939

Hard-anodized colour,CNC machined PTFE-coated hardened alloy 6061-T6
The lightweight aluminum alloy material is durable and improves the overall performance of the Super Gear 46T
Aside from the great looks, aluminum alloy will not flex as much as plastic under stress or during high ambient temperatures.

40CrMo steel is top level steel better than 20CrMo and #45 steel
This Center Diff Set provides a pre-assembled replacement unit for servicing your vehicle
Tough steel internal gears for long-lasting durability in all conditions - Strong composite diff case - 46T steel spur gear for increased durability under extreme loads - Metal Cross Shafts and inserts for increased efficiency of fit and long-lasting
durability - Includes bearings for fast and efficient fit to your vehicle
Compatible With ARA7617V2 ARA7618 ARA7615V2 ARA109001 ARA8306 ARA8406