This spring is the Yokomo YOKB7-14550 unit intended for SLF Short II short-travel shock assemblies fitted to 1/10 scale touring cars. The listing shows the factory part sizing 1.4 x 20 5L x 5.50T in a silver finish and is supplied as a suspension spring rather than a shock absorber assembly.
Use these springs as replacements or to refine chassis balance; swapping springs will change roll stiffness and transient response. Install the spring only on SLF Short II compatible short shocks and verify preload and shaft alignment after installation to ensure stable handling.
To fit: slide the spring onto the shock shaft using the SLF Short II specified cap and retainer, check the seating on the perch, and cycle the assembly to expel any trapped air before final setup. Avoid installing on incompatible shock bodies.
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