The 3Racing SAK-U314/BU/700 Sakura Ultimate 15x7.0 Blue Spring is specified to support suspension tuning on the Sakura Ultimate platform. It provides a consistent baseline for testing changes to roll stiffness and mid corner balance.
Engineered to deliver predictable behaviour, this spring assists precise comparisons between damper settings and anti-roll adjustments. The 15x7.0 form factor is suitable for incremental setup work at the track.
For racers focusing on setup optimisation, the blue spring is a straightforward upgrade to refine traction and stability. Use it as part of a methodical tuning routine to reduce lap time variability.