The XRAY 358028 piston set is aimed at hobbyists who tune suspension for jumps and rough terrain. Fabricated from Delrin, these pistons cut friction and resist wear to provide steady shock operation across sessions.
Each piston contains six 1.3mm holes along with two 1.1mm holes to create direction-dependent oil flow. During upward travel a rubber valve blocks two openings; on downward travel all eight holes are active, which helps damp impacts while keeping rebound controlled even with softer setups.
The molding process produces pistons with consistent roundness so they seat properly in shock bodies. That precision supports uniform damping at each corner, helping the vehicle land more predictably and carry speed through rough sections.
A solid choice for model owners wanting dependable piston behaviour to refine landing and rebound without complex changes.
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