Losi LOS-2419 Shock Set, Rear, Assembled (2): 22S Sprint 1/16 E-Revo Parts Ball joints like this one

Ball joints like this one link suspension and steering linkages together

Spring set

which matters on off-camber sections where a soft setup leans over and walks the truck sideways off the line you picked

Requires 9288 inner fenders

Losi TLR332031 48P Aluminum Pinion Gear (31T) 22 22T 22SCT

Losi LOS-2419 Shock Set, Rear, Assembled (2): 22S Sprint 1/16 E-Revo Parts Ball joints like this oneLosi LOS 2419 Shock Set, Rear, Assembled (2): 22S Sprint Pre Assembled: Ready to use with shocks fully assembled for convenience Shock Oil Filled: Comes pre filled with shock oil for optimal performance right out of the box Stock Replacement: Direct replacement for the stock rear shocks on your 22S Sprint