Traxxas Springs Progressive Rate

This is a package of Progressive Rate Shock Springs from Traxxas
for use with the Traxxas Ultra Shocks set only.
These may be utilized on either the front or back of the T-Maxx 3.3.

FEATURES:
Steel building
White in color
Under light duty owning the progressive rate springs absorb little
    bumps.As the jumps get bigger these springs get firmer the more
    the suspension is compressed.

INCLUDES:
4 white progressive rate front or rear shock springs
One direction sheet

REQUIRES:
Ultra shocks from Traxxas

SPECIFICATIONS:
Length: 3" (76.2mm)