There is a 50% increase in performance and is only recommended to pair with the new HOBBYWING 4268/4274 G3 motors

Engine Stempel & Foring til 21XZ-B motor

Factory assembled and filled with 10k cSt silicone oil for fast and efficient servicing - Tough steel internal gears for long-lasting durability in all conditions - Strong composite diff case -  43T spiral cut steel main 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

Fully Adjustable Wheelie Bar

Porpentina Goldstein Wand Pen & Bookmark Jackets There is a 50% increaseMeasures 7. 2 inches in length