The XRAY 308038 Composite Progressive Pistons are developed to give tuners more control over shock damping. Their composite build is chosen for durability and consistent performance, helping drivers maintain predictable handling across laps and varying track surfaces.
Progressive pistons provide a damping curve that stiffens as the shock compresses. The composite construction keeps weight low while delivering the strength needed for competitive running, assisting in sharper, more stable handling.
These pistons are intended for the XRAY #308039 Aluminum Progressive Shock System and are straightforward to fit for those familiar with shock maintenance, allowing quick setup adjustments.
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