3Racing Sakura D4 Aluminum Knuckle SAK-D425/V2 - Racing Setup Part  [SAK-D425/V2]

3RACING Sakura D4 Knuckle For D4 - SAK-D425/V2
Price:
USD$5.00
Brand:
3Racing
Model:
SAK-D425/V2
Condition:
Brand New
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Competition-focused knuckle for the Sakura D4

The 3Racing Sakura D4 Aluminum Knuckle SAK-D425/V2 is a race-oriented aluminium replacement crafted to support aggressive steering inputs and repeatable setup changes. It is dimensioned to match Sakura D4 mounting points for direct installation into tuned rigs.

Stiffness and repeatability for tuning

Manufactured to tight tolerances, the aluminium knuckle reduces flex under heavy loads and helps maintain consistent steering geometry during successive runs. This stability aids precise adjustments to toe and caster settings.

Fit and integration with performance parts

Designed to integrate with standard Sakura D4 suspension components, the knuckle works well alongside upgraded servos and reinforced linkages. Its reliable performance supports fine-tuning for lap time improvements.

How does this knuckle affect steering geometry tuning?

The stiffer knuckle reduces unwanted movement, allowing more accurate adjustments to toe and camber; expect more predictable results when changing link lengths or settings.

Is it suitable for high downforce or high grip setups?

Yes. The SAK-D425/V2 handles increased steering loads common with high grip tyres and stronger aero balance, helping to keep steering geometry stable under load.

Which servo specification pairs best with this upgrade?

For competitive use, a digital servo with higher torque and firm centring is recommended to take full advantage of the reduced flex and sharper steering feedback.