The Yokomo B7-S3NA Aluminium Normal Spring Cup is a straightforward upgrade for the BD7-2014 chassis. Built from aluminium for improved wear resistance, these cups support stable spring placement and longer service life. Supplied in a pair, they suit racers and hobbyists who measure setup changes and want repeatable results.
Aluminium spring cups are less prone to compression and wear than plastic alternatives, which helps the suspension retain its intended geometry. That translates into steadier handling through corners and over bumps, with fewer setup surprises.
These spring cups are made to the BD7-2014 shock specification and should drop in without modification. That makes them a practical, low-effort upgrade for drivers who want improved component durability.
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