AST Suspension Coilovers

AST Suspension has been producing top level suspension products since the year 2000 with a specialty in performance and racing vehicles. Its founder has been involved with motorsport since the 1960s with experience in Formula 1 and IndyCar vehicles with many of those vehicles winning races and even world championships. In 2011 AST procured Moton Suspension, a world-famous brand involved with top tier motorsport. 

5100 Series Coilovers - Find the appropriate setting for your ride.

Using your vehicle on the track or do you want to get the best road balance for everyday use? Or is it a combination of both that you are looking for? Then 5100 series is a perfect option for you. Approach to various settings for driving experience and driving comfort. The 5100 Series shock absorbers utilise inverted / upside down technology. The inverted design is race proven technology and produces an extremely strong damper, providing better suspension geometry under heavy lateral and braking loads as seen in a road and track environment.

The 5100 Series shock absorbers give your car a better performance than the standard twin tube design. With the 5100 Series suspension you can adjust rebound with one knob. The adjust platform allows you to adjust the ride height of your car. AST suspension shock bodies are specially designed to keep maximum stroke, even with a lower ride height.
How a Monotube design works?

Monotube design essential for performance, The oil and nitrogen are separated by a floating piston, and allows the use of a larger piston, increasing the damper performance and sensitivity felt by the driver, all this added together produces more grip, gives more control and driver feedback from your vehicle.
What is a rebound adjustment?

Rebound controls the rate of extension of your shock absorber, by changing the rebound you can directly change the characteristics of the vehicle.

5200 Series Coilovers - Perfectly fine-tuned

You are that person who takes the performance of your car more serious. Our 5200 series are perfectly suitable for everyday use, but mostly designed for track use. Challenge your vehicle by adjusting the compression and rebound separately. Allowing you to experience sports car driving at its finest.  The 5200 Series are 2-way adjustable shock absorbers which are based upon competition 3-way adjustable shock absorbers. The 5200 shock absorbers are adjustable in compression and rebound.

The design of the compression adjuster is an evolution of the compression adjuster we provided for the American Grand-Am series for the last few years. The 5200 shock absorbers were designed to achieve a quick and easy setup, allowing separate adjustment of compression and rebound.

In the 5200 Series AST uses an external canister. Throughout testing and competitions, the 5200 has been praised for its performance and capabilities, surpassing other major, more expensive brands and setting a new standard of 2-way damper. It's no surprise that the 5200 is fast becoming a favorite damper amongst race teams and track day enthusiasts worldwide.

5300 Series Coilovers - Demand the most from your vehicle

Are you the most serious person on the racetrack? Get to a winning setup by using all options that our 3-way adjustable dampers have to give. All adjusters work completely independently. Once installed the shock absorbers are easy to setup, highly reliable and require low maintenance during the season because of the high grade of materials used. Tested on tracks like the Nürburgring, Zandvoort, Imola, Laguna Seca, Macau and many others around the world. 

For the best performance on the track, AST Suspension designed the Competition 3-way adjustable series. The 5300 Series shock absorbers are rebound adjustable in 12 positions on the strut. The highspeed compression is adjustable in 12 positions and the low speed compression is adjustable in 14 positions. Both compression adjustments are made using an external canister. All adjusters work completely independent.

Many years of technical knowledge, testing and experience has been refined, fettled and brought together to create a perfect balance between the choice of springs and the corresponding damping characteristics. This makes it a versatile product for every customer. The 5300 series shock absorbers are the best solution for every race team. Once installed the shock absorbers are easy to setup, highly reliable and require low maintenance during the season because of the high grade of materials used.

All of this together makes the 5300 series shock absorbers a championship winning damper, over and over again. The AST 5300 Suspension is worldwide renowned for its performance at every level.

Top Mounts/Camber Plates

AST top mounts are made of the highest quality materials available. The plates are made out of an exotic high-grade aluminum and the bearing plus its carrier are made within very small tolerances that results in a unique noise free pillow ball setup. AST uses the same materials and bearings as they use in the aviation industry. That is the reason the top mounts are almost free of maintenance. AST guarantees a good quality product 

5100 Series

• 1-Way Adjustable, the 12 positions give clear feedback with each adjustment, each offering a different driving experience.
• Inverted strut design to cope with (heavy) side load and braking loads.
• In some cases the non inverted system is used.
• Improved handling and consistent performance due to Monotube technology
• Ride Height adjustable
• Gas Pressurized (i: gas and oil are divided by a floating piston)
• Designed to run OEM top mounts.
• Including springs.
• Available options for 5100 series

5200 Series

• 2-Way Adjustable, separate rebound and compression adjustable with a remote reservoir. The positions give clear feedback with each adjustment, each offering a different driving experience.
• Inverted strut design to cope with (heavy) side load and braking loads.
• In some cases the non inverted system is used.
• Improved handling and consistent performance due to Monotube technology.
• Ride Height adjustable.
• Gas Pressurized.
• Including AST top mounts / camberplates. High quality, noise free..
• Including springs. Custom springrates are available.
• Available options for 5200 series:

5300 Series

• 3-Way Adjustable, separate rebound and Low & Hi Speed compression adjustable with a remote reservoir. The positions give clear feedback with each adjustment, each offering a different driving experience.
• Inverted strut design to cope with (heavy) side load and braking loads.
• In some cases the non inverted system is used.
• Improved handling and consistent performance due to Monotube technology.
• Ride Height adjustable.
• Gas Pressurized.
• Including AST top mounts / camberplates. High quality, noise free.
• Including springs. Custom springrates are available.

• Body needs to be modified when using front top mounts
• Only suits models with 55mm struts