Preassembled Ready Mount struts by Gabriel include the upper strut mount, strut bumper, strut boot, coil spring, spring seat and an Ultra strut, providing the ultimate in safety and performance. Installation of the fully-assembled Ready Mount is quicker and safer than a traditional strut installation and does not require special tools or equipment. Time and labor saving factory assembled Ultra strut assembly includes all necessary components for a faster, safer installation while the G-Force system provides on-demand control, stability, comfort and safety on all road conditions. And like all Gabriel shocks and struts, Ready Mount struts feature a super-finished chromed piston rod for superior corrosion resistance and a leak-proof piston seal which extends product life.