AST Suspension is the Dutch specialist in high-performance chassis solutions for sports and competition vehicles. By combining state-of-the-art engineering with rigorous track testing, the brand offers coilover kits, lowering springs, and adjustable camber plates with absolute precision. Choosing AST Suspension means radically transforming your chassis behavior to achieve surgical responsiveness and unwavering stability through the corners.

• Monotube Technology: Superior heat dissipation for consistent endurance on the track.
• Precise Adjustments: Height and damping adjustability for a bespoke vehicle setup.
• Manufacturing Quality: Aerospace-grade materials and low-friction seals for increased longevity.
• Motorsport Heritage: Solutions derived directly from touring car and endurance championships.

Why failing to install AST Suspension restricts your sports car's potential

Owning a powerful engine is useless if your chassis cannot transmit that force to the ground. By keeping your factory suspension, you suffer from excessive body roll, nose-dive under braking, and a lack of precision during rapid weight transfers. Not equipping your BMW M, Volkswagen Golf GTI, or Audi RS with an AST Suspension kit means accepting a vehicle that "floats" at high speeds and loses traction as the pace quickens.

The lack of superior damping quality not only degrades your lap times but also undermines your confidence behind the wheel. Opting for AST solutions is not just a customization choice; it is a vital technical optimization for anyone who wants to feel every millimeter of the road.

Optimiz Access: Your Authorized AST Suspension Dealer and Distributor

In the complex world of suspension tuning, expert guidance is paramount. As an authorized dealer and distributor, Optimiz Access guides you in choosing the correct spring rates and damping settings. Skipping an official distributor means risking a poor setup that could make your vehicle unstable or uncomfortable.

AST Innovation: 5100 Series, 5200 Series, and Lowering Springs

The AST product range adapts to every passionate driver's profile:

• 5100 Series: The ideal monotube coilover for mixed street and club sport use, adjustable in height and rebound.
• 5200 & 5300 Series: External reservoir systems for independent compression and rebound management, intended for pure competition.
• Lowering Springs: An effective solution to lower the center of gravity while maintaining original electronic dampers.

Expert Installation and Chassis Tuning in Northern France

Since 2010, Optimiz Access has been the partner for your most ambitious projects. Based near Lille, Valenciennes, Arras, and Cambrai, we install your AST Suspension kits in our specialized workshops. Installing coilovers requires specific know-how, particularly for precise wheel alignment or corner weighting.

We ship AST solutions worldwide with fast shipping. Trusting your AST Suspension dealer Optimiz Access ensures a transfigured handling experience and significantly increased driving pleasure.

Frequently Asked Questions about AST Suspension

What is the difference between AST and factory suspension?

Unlike mass-produced dampers, AST Suspension uses inverted monotube technology, which offers much better lateral rigidity and a faster response to road irregularities.

Are AST coilovers too stiff for road use?

AST's strength lies in the quality of its internal valving. Even with a firm track setting, the damper maintains an absorption capacity that preserves a surprising level of comfort on open roads.

Note: Find our complementary products (anti-roll bars, reinforced bushings) at the bottom of this product page.