This is a package of Progressive Rate Shock Springs from Traxxas for use with the Traxxas Ultra Shocks set only. These may be used on either the front or rear of the T-Maxx 3.3.
White in color
Under light duty driving the progressive rate springs soak up small bumps.As the jumps get bigger these springs get firmer the more the suspension is compressed.
Four white progressive rate front or rear shock springs One instruction sheet
Ultra shocks from Traxxas
Length: 3" (76.2mm)