At the heart of Strut-Plus is the KYB Excel-G Gas Strut which is built on the same KYB OE assembly lines and is calibrated to compensate for wear caused by vehicle age & miles driven. Where applicable, the KYB Strut- Plus also includes a new coil spring, mount, insulator, bearing plate and attaching parts. The KYB Strut- Plus comes pre-assembled, saves time on installation, eliminates assembly errors and includes all of the hard to find components to get the job done right; the first time.Features and Benefits- The World’s Best OE performance-restoring KYB Excel-G Strut- A new and improved coil spring; custom tuned for corner-specific ride height and vehicle design- OE quality bearing plates & insulators optimize steering smoothness, quiet operation, and help maintain proper front end alignment- A new polyurethane boot and travel-limiting bumper protect KYB’s highly polished chrome strut shaft from road dirt and debris