ACDelco Professional Lift Supports are the ideal replacements for your worn out lift support struts. The pressurized, gas charged cylinders feature chromed rods and superior seals for a lasting, quality lift support replacement. Each lift support is custom engineered and manufactured to top industry standards with self-cleaning piston technology and a patented multi-lobe sealing system. ACDelco Professional Lift Supports are easy to install with simple hand tools in just minutes. Product Features:High quality seals keep lift support fluids and gases contained within the strut components, resulting in extended product lifeChromed rod increases rust and corrosion resistance for a higher quality, longer lasting, lift supportRubber O-ring piston seal for controlled liftHeavy gauge steel pressure tube provides long lifePolytetrafluroethylene (PTFE) backup ring gives enhanced performance