These are Tamiya Soft On-Road Springs.
These springs go on the shocks of the car. tam 53630
FEATURES:
These springs are red in color
The damper strength on these springs is Soft
INCLUDES: Two shock springs
SPECS:
Height: .81" (20.6mm)
Width: .65" (16.4mm)
COMMENTS: Usable with cars containing part number 53571; and TRF414M-WRC,
TB-EVOIII, TA04-TRF SPECIAL
