ST 2017+ XA Coilover Kit for Audi A5 (B9) Sportback Quattro – Height and Rebound Adjustable 0.4 in.–1.4 in.

Engineered for drivers who demand precise control over stance and handling, these ST XA coilovers provide wide-ranging height adjustment and tunable damping for refined road manners on Audi platforms. The kit’s adjustable spring perch uses a durable polyamide composite with a stainless steel insert to prevent corrosion and retain long-term height adjustability, while galvanized zinc coated steel struts and a multi-layered sealing package protect the internals. With 16-click rebound adjustment preset to ST’s recommended KW-tested settings and a supplied damper setup manual, the system delivers a bolt-on solution to dial comfort, sportiness, and high-flow road control without compromising durability.

Features:

• Height adjustable range 0.4 in.–1.4 in.
• Rebound adjustable 16 distinct clicks
• Adjustable spring perch polyamide composite
• Stainless steel insert in spring perch
• Galvanized zinc coated steel struts
• Dust protection system for piston rod
• Multi-layered pressure resistant sealing
• Mono block guide system for durability
• Low friction piston band inside damper
• Preset to factory recommended damper settings

Contents:

• Damper setup manual