This is the Robinson Racing 40-Tooth Steel Spur Gear and 16-Tooth Steel Clutch Bell set for the Traxxas Revo 2.5 and 3.3 trucks.  This gear set will greatly increase the durability of your truck.  These are a must for high-performance and racing applications.  Your truck will be able to handle a great deal of power without stripping like the stock gear would.  This is an excellent value.

FEATURES
Constructed of hardened steel for long life, clutch bell is CNC machined

INCLUDES
One 40 Tooth Spur Gear and 16 Tooth Clutch Bell for the Revo, two Robinson Racing decal sheets and instruction sheet

REQUIRES
Installing on vehicle