HPI Baja Lower Arm Precision Steel Balls BJ055/BALL by GPM  [BJ055/BALL]

HPI Baja Steel Balls For Alloy Front Lower Arm - GPM BJ055/BALL
Price:
USD$2.30
Brand:
GPM
Model:
BJ055/BALL
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Service grade lower arm balls

These hardened steel balls are supplied as an aftermarket replacement set for HPI Baja alloy front lower arm assemblies. The components act as the rolling contact inside the lower arm joint and are listed under model BJ055/BALL for standard maintenance replacement of worn ball seating.

Compatibility statement: intended specifically for HPI Baja front lower arm designs that employ removable steel ball elements. Confirm the ball seat geometry on the target arm before installation to ensure correct interfacing.

Installation procedure: remove the existing balls and examine the ball seat and bore for wear, corrosion or flattening. Press the new balls into the seat, cycle the arm through its full range of motion and verify smooth articulation with no excessive lateral play. Apply minimal lubricant only if specified by the original assembly instructions.

Maintenance impact: renewing the ball elements restores the intended contact geometry at the pivot, reducing steering slop and preserving predictable suspension kinematics. These components are intended for service replacement rather than tuning improvement.

Which arm designs accept these balls?

They are compatible with HPI Baja front lower arm assemblies that use removable steel ball elements; verify the seating profile and diameter before fitting to other arm types.

What inspection tolerances should I use?

Check for visible flattening, scoring or corrosion on the ball seat and bore; any significant deviation from a clean spherical contact should prompt replacement of the affected components.

Recommended service interval?

Inspect after heavy use or impacts and replace balls when wear is evident. Regular inspection during routine maintenance will prevent progressive damage to mating surfaces.