This item is the Yokomo YOKB7-14550 spring designed for use in SLF Short II short-travel shock assemblies on 1/10 scale touring cars. It carries the part specification 1.4 x 20 5L x 5.50T and is finished in silver, provided as an RC suspension spring rather than a complete shock.
Fit these springs when replacing worn components or fine-tuning chassis dynamics; swapping spring rates modifies body roll and responsiveness. Ensure the spring is installed on the correct short-shock assembly and recheck preload and shaft alignment after reassembly to preserve handling predictability.
Fitting advice: compress the spring onto the shock shaft with the SLF Short II shock cap and spring retainer, confirm correct seating on the perch, and cycle the shock to remove air before final adjustments. Do not attempt to force the spring onto incompatible shock bodies.
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