Audi A4 B9 Avant Classic Coilovers (2016+) All 2WD Models Raceland Europe KW Coilover Kit V2 Audi A4 S4 (8D B5 B5S) Sedan + Avant; Quattro incl KW V3 Suspension Coilovers For Audi A4 S4 B9 A5 S5 B8.5 (5 30MM 10 ST X Coilovers Audi A4 B8 2.0 4cyl. Wagon 4WD (2009 2012) w Fixed Dam KW H.A.S Coilovers Audi A4 Sedan Quattro (17 23) FWD (17 20) Height Ad. Products Features: 32 Stage Damping Adjustment: Using a needle valve structure, precise valve adjustments perfectly match the 32 stages of damping. This ensures a uniform linear change across each damping stage, with each adjustment being noticeably felt. The design incorporates a full length adjustable body for height regulation, featuring a separate base design. This ensures that while the vehicle's height is adjusted, the shock absorber's travel remains unaltered. Superior Anti Rust Treatment for Threads: The double layer electroplating process is employed, and the barrel has undergone a salt spray test for over 800 hours, demonstrating remarkable corrosion resistance. Top Mount: Reinforced rubber top mount Monotube Structure: The system uses a 45MM large diameter piston to ensure a significantly increased damping force in extreme conditions. 1 Year Warranty Products Details: Tower Items 4 Shock Absorbers 4 Main Springs 4 Height Adjustment Wrenches 2 Damping Adjustment Tools 4 User Manual Car Sticker There might be differences. Depending on the car model, the contents of the kit may vary.