This is the White Tension Shock Spring Set for the Revo GTR Shocks These springs are installed on the shock bodies.
Red in color
White band on spring indicates 2.9 tension rating
Two 2.9 rear shock springs
Nothing. These are direct fit springs.
Length: 1.8" (46mm)
Outer diameter: 0.83" (21mm)
Wire diameter: 0.08" (2.1mm)