Solo Werks S1 Coilover Suspension Kit for 2012 to 2018 Audi A7 (non air suspension) New R3 release - Upgraded valving, springs & single perch design Lowering Ranges: Front 25-75mm(1.0-3.0") Rear 25-75mm (1.0-3.0") Features: Heavy Gold Zinc Plated Housings for superb corrosion resistance Progressive rate elastomer bumpstop Black anodized spring perches Platform Specific Progressive Spring Rates and Matched Valving **Models with EDC require the KW cancellation module Each Kit Contains: 2x Front threaded coilover dampers 2x Front spring + 2x helper spring 2x Rear dampers 2x Rear progressive rate elastomer bumpstops 2x Rear adjustable spring perches 2x Rear progressive rate spring Spanner wrenches Installation Instruction Application / Fitments: Audi A7, all models without air suspension .