ACDelco 520-89 Advantage Gas Charged Rear Shock Absorber
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<b>[Product Information]</b><br>
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<li>Super-finished chromed piston rod inhibits corrosion and provides a more consistent wear surface</li>
<li>Piston seal adjusts as it wears to maintain a tight seal between the piston and pressure tube. This minimizes leak paths for a longer, more consistent, product life</li>
<li>O-ring provides constant pressure to the inner tube and makes the valve less susceptible to dirt, wear, and fatigue leading to longer service life</li>
<li>Drawn over mandrel (DOM) pressure cylinder for a smoother surface and less resistance, resulting in increased service life</li>
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