For model drivers aiming for predictable handling, the XRAY 358029 Delrin Shock Pistons deliver a purposeful two-way flow system. The pistons are drilled with six 1.4mm holes plus two 1.1mm holes to precisely regulate oil flow during both directions of travel.
The two-way arrangement provides different damping profiles for upward and downward strokes. A rubber valve seals two ports on upward motion to hold pressure; on downward motion it opens so oil can pass through all eight holes. That behaviour leads to steadier landings and improved chassis control on bumpy sections.
Produced from a tailored composite formula, these pistons are moulded to tight tolerances for true roundness and smooth travel inside shock bodies. Consistent piston shape helps equalise shock responses front to rear, simplifying setup and delivering repeatable results.
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