This is a pair of GPM Racing Black Aluminum Adjustable Shocks with 3 Complete Spring Sets for Traxxas 1/16
E-Revo, 1/16 Slash 4x4 and 1/16 Summit trucks. Made of
6061-T6 aluminum, these shocks feature threaded shock bodies to allow
for fine tuning. Each pair also includes three sets of springs in
1.2mm, 1.3mm, and 1.4mm coils to offer even more adjustment!