Solo Werks S1 Coilover System - C7 A6, 4G A7, D4 A8, 8R Q5 - (MLB platform)- Premium Entry Level Coilover Suspension! Heavy Gold Zinc Plated Housings for superb corrosion resistance Progressive rate elastomer bumpstops "New" Black anodized spring perches - double lock ring design Platform Specific Progressive Spring Rates and Matched Valving Front 25-75mm(1.0-3.0") Lowering Range (S models = 0.5"-2.5") Rear 25-75mm (1.0-3.0") Lowering Range (S models = 0.5"-2.5") 3 year Limited Warranty Each Kit Contains: 2x Front threaded coilover dampers (w/ dual locking spring perches) 2x Front spring + 2x helper spring 2x Rear dampers 2x "New" Rear progressive rate elastomer bumpstops 2x Rear adjustable spring perches 2x Rear progressive rate spring 2x Spanner wrenches Installation Instructions Application / Fitments: Audi A6 C7 platform Non Adaptive Air Suspension Audi A7 4G platform Non Adaptive Air Suspension Audi A8 D4 platform Non Adaptive Air Suspension Audi Q5 8R platform Non Adaptive Air Suspension Vehicles with Audi Drive Select please note: The S1 Systems are not compatible with the Audi Drive Select system (AKA ADS) The S1 systems will install and function correctly, but the ADS system will not see the new suspension and therefore will result in an error code on your dash. Contact us for more information Vehicles with Adaptive Air Suspension: It may be possible to install the S1 system on your vehicle with Adaptive air through the use of additional OEM components not provided in our kit. Contact us for more information. *All lowering ranges are approx. and will varying depending on mileage, condition, vehicle options. INSTALLATION INSTRUCTIONS: