ST Suspension ST X Coilover Kit for Audi A6 C5 (1998-2004, Quattro/Avant) & Volkswagen Passat B5/B5.5 W8 (2002-2004) - Height Adjustable 25-55 mm - KW Automotive - Part No. 13210026

Adjustable Sport Suspension 25 to 55 mm for Audi A6 C5 AWD and Volkswagen Passat W8 B5 and B5.5 - Part No. 13210026

Looking to lower your ride, sharpen steering response and add a clean, even stance without ruining daily comfort? This height-adjustable coil over suspension set delivers exactly that. Developed by KW Automotive for ST, the ST X system offers precise ride height control, improved agility and a confident, planted feel on British roads.

Built for real-world performance

The package uses robust twin-tube dampers with a chrome plated piston rod for smooth operation, plus a low-friction, pressure-resistant housing to keep performance consistent. A mono block guide and the proven ST seal package help protect the internals from dirt and weather, while galvanised steel struts with an additional protective coating provide long-term corrosion resistance through UK winters.

Lowering range and adjustment

Fine tune your stance with a continuous threaded body and a durable polyamide spring seat for easy, repeatable changes:

• Front drop: 25 to 55 mm
• Rear drop: 25 to 55 mm

Go subtle for an OEM plus look or push lower for a sportier, more aggressive aesthetic. Set and forget damping makes it simple to enjoy predictable, confidence-inspiring handling.

Fits the following vehicles

• Audi A6 C5 1998 to 2004 including AWD and Avant models
• Volkswagen Passat B5 and B5.5 W8 2002 to 2004

Important: Not suitable for cars with automatic level control or any factory adjustable level system.

Key highlights

• Height adjustable coil over suspension for front and rear
• Individual lowering within the tested range using front and rear thread adjustment
• Galvanised struts with additional coating for enhanced corrosion protection
• Complete kit including adjustable spring perch, performance spring system, bump stops and dust protection
• Twin-tube damper design with quality components for durability
• Non adjustable damping for dependable road performance
• Engineered by KW Automotive for consistent quality

Part number

13210026

Proven on our own builds

We run ST on our in-house and customer cars. Feedback is consistently positive: tighter body control, crisper turn-in and improved stability, all while keeping everyday drivability intact. If you want a lowering solution that simply works and looks right, this kit delivers.

Fitting and support

Professional installation available at MJ Modifications in Warwickshire. For a fitting quote or suspension setup advice, email info@mjmodifications.co.uk. We can assist with ride height setup, alignment guidance and aftercare.

Warranty

Two years manufacturer warranty.

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