Spring Rates
Spring Chart:

    Center Springs
  1. Orange.....2#
  2. Blue.......3#
  3. White......4#
  4. Red........5#
  5. Green......6#
  6. Purple.....7#
  7. Black......8#
  8. Silver.....9#
  9. Gold......10#
  10. Copper....11#
  11. Gray......12#
  12. Yellow....14#
  13. Orange....16#
  14. Blue......18#
  15. Copper....20#

    VCS Side Springs
  1. Orange.....5#
  2. Blue.......6#
  3. White......7#
  4. Red........8#
  5. Green......9#
  6. Purple....10#
  7. Black.....11#
  8. Silver....12#
  9. Gold......13#
  10. Copper....14#

    Standard Front Springs
  1. White.......6#
  2. Red.......8.5#
  3. Green..... 10#
  4. Purple...11.5#
  5. Black......13#

    Progressive Front Springs
  1. White.....7-9#
  2. Red...... 8-10#
  3. Green.....9-11#
  4. Purple....10-12#
  5. Black.....11-13#

    Bi-Rate Front Springs
  1. White.....7-9#
  2. Red...... 8-10#
  3. Green.....9-11#
  4. Purple....10-12#
  5. Black.....11-13#