This is the optional complete spring set for the Associated TC3 touring car These springs are designed to be used on the stock shocks. FEATURES: Nine different shock load rates and nine different colors. YOU WILL RECEIVE: Two green springs #3941 12.0 lbs/in Two silver springs #3942 14.4 lbs/in Two blue springs #3943 17.0 lbs/in Two gold springs #3944 19.5 lbs/in Two red springs #3945 22.0 lbs/in Two copper springs #3946 25.0 lbs/in Two purple springs #3952 30.0 lbs/in Two yellow springs #3953 35.0 lbs/in Two white springs #3954 40.0 lbs/in One color/rate sheet with part numbers Two 1" Factory Team decals REQUIREMENTS: The rest of the shocks COMMENTS: It is probable that these springs would work on other shocks, but a list is not available.