Made for the XRAY X4 range, the XRAY 302666 composite ball joint kit supplies two front and two rear assemblies that interface with 4.9mm ball connectors. The set is intended for routine replacement to keep suspension response consistent and minimise unwanted play.
The XRAY 302666 joints are shaped to match the geometry of X4 front and rear upper arms. Front joints include a hole to accept body post screws, providing a secure mount and helping maintain predictable steering and cornering balance.
When fitting, seat the ball joints fully on the 4.9mm ball connectors and check for any lateral movement. These parts are suitable for regular maintenance and should be replaced if wear causes slack that harms handling or tyre wear.
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