This replacement shaft is made for SLF normal shocks used on the BD7-2014 chassis. The shaft surface features a carbide titanium coating as noted in the original product information, which reduces wear where the shaft contacts the shock O-ring and helps keep damper operation consistent over multiple service cycles. The set contains 4 pcs to service a complete touring car.
For installation: remove the shock from the car, disassemble the shock body, remove the worn shaft and related internals, fit the new shaft while checking seals and piston condition, then reassemble and verify smooth damping and correct oil fill. This is a service replacement intended to protect seals and maintain suspension performance rather than a direct tuning component like springs or piston stacks.
From a tuning standpoint this shaft is a maintenance item: by lowering contact wear on the seal seat it supports stable damping characteristics between rebuilds, letting you concentrate tuning work on oil viscosity, piston selection, and spring rates without premature seal wear upsetting results.
Fit these shafts when rebuilding BD7-2014 SLF normal shocks to protect O-rings and maintain reliable damper feel between services.
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