Diff Set (37T 1.35M) Overview: This Diff Set provides replacement parts for servicing your Diff assembly. Features: Pre-assembled and filled with oil for fast and efficient servicing Super-tough straight-cut internal gears for long-lasting durability in all conditions Super-strong composite diff case with integrated 37T bevel gear for increased durability under extreme loads Precision manufactured screw threads for fast and easy servicing Precision manufactured gear teeth for consistent performance at high speeds Specially designed diff case cap for increased strength and durability Details: 37 Teeth 1.35 Module gear pitch 10,000cSt oil Includes: 1 x Pre-assembled Gear Diff Requires: It is recommended to replace #ARA311031 when installing a new diff