Hobbyists aiming to refine their XB4 handling will find the XRAY 368042 Composite Shock Bushing & Shim Set designed for the XB4 aluminum shock cap a valuable addition. It focuses on longer part life and cleaner tuning steps for the shock assembly.
These bushings and shims use a durable composite that stands up to repeated track use. The material choice promotes consistent movement at the shock mount and reduces premature wear.
With two bushings and two shims included, the kit gives you simple and repeatable adjustment points. That lets you dial in more neutral or more responsive handling depending on track conditions.
The set works well for scheduled maintenance or when upgrading worn suspension interfaces. Swapping in fresh composite parts helps keep your XB4 reliable during back to back runs.
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