This is a Green Tension Shock Spring Set for the Revo GTR Shocks. These springs are installed on the shock bodies.
FEATURES:Red in colorTan band on spring indicates 4.1 tension rating
INCLUDES:Two 4.1 rear shock springs
REQUIRES:Nothing. These are direct fit springs.
SPECS:Length: 1-3/4" (44mm)Outer diameter: 0.83" (21mm)