This is an Optional Rear Spring Set for the Associated trucks and buggies.
These springs fit onto the shock absorbers.

FEATURES: Five varieties of spring rates represented by different colors.

INCLUDES: Two red 2.95 lb. springs (#7436)
Two gold 2.75 lb. springs (#7435)
Two blue 2.55 lb. springs (#7434)
Two silver 2.10 lb. springs (#6478)
Two green 1.90 lb. springs (#6480)

REQUIRES: The remainder of the front truck shocks.

SPECS: Length: 2.75" (70mm)
Diameter: 0.042" (1.1mm)