COMPATIBLE VEHICLES COMPATIBLE MODELS: 1999-2006 Audi A6 C52001-2005 Audi Allroad Quattro Wagon (C5) REFERENCE OEM NUMBER: 4Z7616052A STRICT PRODUCTION STANDARDS Ease the impact of bumpy road surface, alleviate the impact of bumpy road surface, stabilize the chassis, lower the body, improve the grip of the wheels. HIGH DENSITY MATERIAL Compared with other brands, KEIYSHOLCK’s air springs are more durable and stable, providing sensitive control while ensuring a comfortable and safe riding environment. EASY AND FAST INSTALLATION Replacing original parts directly, usually finish within two hours or less. For safety and efficiency, professional installation is highly recommended. RELIABLE PERFORMANCE KEIYSHOLCK devoting to produce high value replacements and always make improvements after get feedback from our customers. These air ride springs have been upgraded in air sealing and durability, have excellent safe load-bearing capacity and stability. ADVANCED PRODUCTION TECHNOLOGY PROCESS Aluminum alloy CNC cutting, high quality, high density, good heat dissipation, solid and durable. Laser welding forming, damping design, shock absorption, sealing, filtering, throttling, eliminating abnormal sound.