1/10 Touring | 1/10 Mini | F-1 28011: TC Pro matched spring.Black-Extra HardPart#: 28011 28012: TC Pro matched spring.Purple - HardPart#: 28012 28013: TC Pro matched spring.Red - MediumPart#: 28013 28014: TC Pro matched spring.Silver - SoftPart#: 28014 28026: TC Pro matched spring . Blue - #S-1Part#: 28026 28027: TC Pro matched spring . Green - #S-2Part#: 28027 28028: TC Pro matched spring . Yellow - # S-3Part#: 28028 28029: TC Pro matched spring . White - #S-4Part#: 28029 28040: TC Pro matched big bore short spring.Black-Total coil:5.75Part#: 28040 28041: TC Pro matched big bore short spring.Purple-Total coil:6.00Part#: 28041 28042: TC Pro matched big bore short spring.Red-Total coil:6.25Part#: 28042 28043: TC Pro matched big bore short spring.Gray-Total coil:6.50Part#: 28043 28044: TC Pro matched big bore short spring.Blue-Total coil:6.75Part#: 28044 28045: TC Pro matched big bore short spring.Green-Total coil:7.00Part#: 28045 28046: TC Pro matched big bore short spring.Yellow-Total coil:7.25Part#: 28046 28047: TC Pro matched big bore short spring.White-Total coil:7.50Part#: 28047