This orange alloy front knuckle arm kit upgrades the steering anchors on HPI Bullet models, trading softer plastic flex for a solid mounting surface that preserves geometry under high loads. The upgrade sharpens steering feedback and consistency while tuning handling balance.
Design and role: alloy construction targets precise bore alignment and abrasion resistance at the pivot and linkage contact areas. Drivers use these knuckles to tune steering responsiveness and to reduce variable geometry when altering tyre size, shock rates, or camber angles.
Fitment and installation notes: intended for BULLET 3.0 MT and ST variants. Check bearing types and hardware before fitting, move sealed bearings across if compatible, and set up steering link lengths accurately. After installation, run through full suspension travel to confirm no interference or binding.
Maintenance and service: routinely inspect contact surfaces and ball-socket joints for wear or play, clear grit from pivot areas, and swap damaged pieces after impacts to retain predictable steering characteristics. Use appropriate fasteners and moderate torque to prevent distortion.
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