ST Suspension ST X Coilover Kit for Audi A4 B9 (2017-2020) - Height Adjustable Coilovers, 40-66mm Lowering - KW Automotive - 132100BK

Transform the way your A4 B9 drives with a premium ride height adjustable shock and spring package engineered by KW Automotive. This ST X setup delivers the drop, control and everyday comfort enthusiasts want on UK roads. Expect a tighter chassis, quicker steering response and a clean, level stance that looks right and feels even better.

We have fitted this kit for customers and the feedback has been consistently brilliant. Sharper turn in, less body movement and a composed, confidence-inspiring drive on fast road. If you are chasing that perfect stance and a serious handling upgrade without ruining daily usability, this is the one.

Key reasons drivers choose this sport suspension

• Ride height adjustability for the ideal drop and arch gap
• Balanced road manners with real-world performance gains
• KW Automotive engineering for durability and consistent damping
• Threaded bodies and robust adjusters for easy, repeatable setup
• Excellent value performance suspension for the B9 platform

Lowering range

• Front: 40 to 66 mm
• Rear: 40 to 66 mm

Technical highlights

• Twin-tube damper design with quality internal components
• Galvanised steel struts with additional corrosion protection
• Chrome plated piston rod and monoblock guide for long service life
• Durable polyamide spring perches for precise height changes
• ST seal package to help keep out dirt and moisture in all weather
• Front damper diameter 48.5 mm

Compatibility

Audi A4 B9, model years 2017 to 2020.

Important notes

• Only for vehicles with front axle damper diameter 48.5 mm, not 50 mm
• If the car has electronic damping, the OE control must be deactivated. Cancellation kit: KW part number 68510476

What is included

• Complete ST X height adjustable shock and spring kit
• Adjustable spring perches and performance spring set
• Bump stops and dust protection where applicable
• Installation instructions

Fitting and setup

Professional installation and a proper alignment are strongly recommended to get the best from this upgrade. For expert fitting, corner weighting and geometry, book with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Manufacturer and warranty

Produced by ST, part of KW Automotive, and supplied with a two year manufacturer warranty.

Part number

132100BK

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