This is an Optional Front Spring Set for the Associated B2 and B3 buggies.
These springs will also work for the center shock on a 10L kit.
Four varieties of spring rates represented by different colors.
Two blue 4.20 lb. springs (#6497)
Two silver 3.85 lb. springs (#6496)
Two green 3.50 lb. springs (#6494)
Two black 3.20 lb. springs (#8232)
The remainder of the front buggy shocks.
Length: 1.30" (33mm)
Diameter: 0.042" (1.1mm)