This is a pair of 6.4 rate (purple) shock springs for the Traxxas Revo.
Features: Metal construction that’s red in color (small purple square indicates spring type)
Includes: 2 springs
Requires: Installation on the Revo
Length: 1-11/16 (43mm)
Inside diameter: 11/16 (17mm)
Outside diameter: 7/8 (22mm)
Spring Rate: 6.4