This aluminum center shaft cup joint is a direct replacement hop-up designed for the Kyosho Fazer Mk2 FZ02 driveline. It serves as the connection point on the center shaft where the driveshaft mates, and is intended to restore fitment and reduce play compared with worn stock plastic cups.
Manufactured from anodized blue aluminum, the part focuses on durability and consistent matching to the center shaft geometry. In practical tuning work it is used when checking driveline straightness, replacing worn components, or upgrading to metal parts for more predictable wear characteristics during intensive track or practice sessions.
Installation is straightforward for anyone familiar with on-road center drives: remove the center driveshaft assembly, inspect mating surfaces and bearings, transfer or replace any retaining hardware, and fit the new cup ensuring alignment and free rotation before final assembly. Inspect for binding and confirm the driveline runs true after installation.
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