Gear differential precision internal gears made from tough composite material. Includes 2 bevel gears and 4 satellite gears.  

Gear differential cross pin made from tough composite material. 

Sealing gasket for differential housing.  

The XB4 gear diff ensures increased on-power steering for nearly all types of tracks, and is ideal for both carpet and clay tracks.  

Gear differential case made from tough composite material.  

Center gear diff adapter molded from specially-formulated tough composite material. 

Super-lightweight, CNC-machined center diff outdrive adapters are manufactured from HUDY Spring Steel™ and are additionally hardened for extra lifespan and reliability.  

81-tooth large external spur gear for center differential.  

M3x6 button-head machine screw, hex drive. Set of 10 pieces. 

M2.5x8 flat-head machine screw, hex drive. Set of 10 pieces.  

Flat washer. ID x OD x thickness = 3.5mm x 10mm x 0.2mm. Set of 10 pieces.  

Flat washer. ID x OD x thickness = 5mm x 15mm x 0.3mm. Set of 10 pieces.  

Silicone O-ring fits over 5mm shaft. 2mm thick. Set of 10 pieces.  

Polished chrome pin. Dia. x length = 2mm x 10mm. Set of 10 pieces.