M.I.P. X-Duty CVD Kit for Traxxas Slash 4x4 / Stampede 4x4 RUSTLER 4X4 MIP18140 & MIP18150 Advantages: Unique and Strong splined steel construction. Designed for ultimate durability for those overpowered vehicles Fully rebuildable so any damaged or worn part can be replaced. (scroll down on main part # and all rebuild components are there) Pro Tips: Use MIP Grease and MIP Blue Thread Gel upon assembly. Be sure to keep joints lubed to enjoy long part life Features: Made From High Grade Carbon Steel Keyed 12mm Hex Standard Heat Treated steel components to help increase strength and part life. Black Oxide coated to protect the components from premature rust. 100% Designed / Manufactured / Packaged in the USA!!! Includes: Complete front & rear Xduty Driveline