Differential spring for ball differential. 

The XB2 ball differential is recommended for all XB2 configurations when used on very-low to medium-traction dirt or clay surfaces to increase traction.  

SHORT output shaft for #325000 Adjustable Ball Differential, made from world-renowned HUDY Spring Steel™.  

LONG output shaft for #325000 Adjustable Ball Differential, made from world-renowned HUDY Spring Steel™.  

Molded ball-differential 53T bevel gear made from tough composite material. 

Ball diff nut machined from premium Swiss 7075 T6 and additionally hardened and with a black final surface treatment. 

Diff rings for #365000 Ball Adjustable Differential for XB4 cars. ID x OD x thickness = 17mm x 24.5mm x 1.0mm. Set of 2. 

Carbide balls 2.4mm for ball differential. Improved, smoother diff operation over standard steel diff balls.  

High-precision axial thrustbearing 3x8x3.5mm for ball differential features Tungsten Carbide balls.  

High-quality ball-bearings ID x OD x thickness (mm) = 5x8x2.5mm. Set of 2 pieces. 

8mm CH-clip. To ensure smoother, more precise operation of the XB2 and XB4 differential, the CH clips used inside the differential are manually ground. Set of 2.