AST Suspension Coilovers - Nissan Silvia/200SX S14/S15
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 you are looking for? Than 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 extremley 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 sensativity 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 charecteristics 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 set up, 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. Its no surprise that the 5200 is fast becoming a favorite damper amongst race teams and track day enthusiasts world wide.
5300 Series Coilovers - Demand the most from your vehicle
Are you the most serious person on the race track? 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 lowspeed 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 te 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 topmounts 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 pillowball setup. AST uses the same materials and bearings as they use in the aviation industry. That is the reason the the top mounts are almost free of maintenance. AST guarantees a good quality product
Features & Benefits:
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.
Vehicle Fitment:
Shipping Policy
- We endeavour to ship all regular and stocked items on same day, next day or within 5 business days of your order being placed
- Custom orders may take longer than regular shipping times but will have information about shipping time on the listing
- We take extra care in packaging your orders to ensure you quality parts arrive safely
- PRP accepts no responsibility for damage or loss to items/products/services from courier or shipping companies once we have received receipt for the third-party service
- All Items purchased from PRP are to be installed by a qualified mechanic at a licensed workshop
- Modifying your vehicle is illegal in some states and territories, the customer acknowledges that it is their responsibility to abide by the law and take the appropriate measures to ensure that their vehicle is roadworthy
- PRP assumes no responsibility for any work carried out, modifications made or parts supplied with regards to road use, as all our products are intended for track use only
Warranty/Refund Policy
Refund requests will be reviewed case by case. Due to numerous factors including automatic & immediate 3rd party supplier purchase orders & merchant fees imposed on us, you might be liable to cover an unavoidable restocking/cancellation fee of ≥ 5%. Please review your purchase and consider contacting us for an ETA before placing an order. If your order is for a gearbox, specific turbocharger, engine build, manifold or something generally not in our extensive inventory, this restocking fee is based on the supplier and not dictated by PRP.
- Effective September 2024, refunds will not be provided for change of mind, incorrect choice or custom ordered products.
- Exchanges or refunds for items and customers that are categorized and applicable under the Australian Consumer law, requires the product/s remain unused and returned in original packaging in saleable condition at your expense to our HQ in Australia. They must return in reasonable time. PRP justifies reasonable to 60 days from date of purchase.
- If items are damaged due to courier or otherwise neglect outside of your or PRP's control, you must notify PRP within 14 days of receipt or the claim is void.
- Platinum Racing Products is not liable for refunds or replacements due to lost or stolen property. We will however attempt every effort to assist in the recovery of your goods.
- We reserve the right to offer you a full or partial refund which can be applied over staged or full payment/s within a 30 day period.
- You agree that if you select "Authority to Leave" or similar, you waive the liability from the shipper (as per their line agreement) and Platinum Racing Products. As such, we strongly suggest sending your package to an address where someone will be available to sign for the goods and keep them secure.
- Anodizing is done in house with state of the art equipment and we hold stock of most popular colour's. We anodize generally within 48hrs. No refund nor partial will be provided if your request is inside the 48hr period and you require urgent parts however we will always do our best to meet your needs.
- There is no partial or full refunds on shipping where factors are outside of PRP's control. Any shipping estimates are to be considered estimates only.
- Silicone Hose Kits: Please note that our silicone hoses have been designed and tested for the vehicle models mentioned. They may fit other vehicles with the same engine model, however the purchase and installation is at your own risk. Due to extensive model changes throughout the years, we are unable to supply or customize hoses in alternative lengths or sizes beyond what is offered. The kits might not contain every hose you want, but we have made every effort to include the series changes to cover the majority of needs. This means we might include hose/s that don't suit your series as a bonus. We strongly advise that you carefully review all photographs provided before making your purchase. PRP does not offer refunds or partial refunds for hoses that are not included in the kit unless they are explicitly shown in the photographs and missing from your delivery.
Warranty Policy
- Warranty is for a full refund or exchange provided the item was purchased through PRP or one its approved resellers or workshops.
- Warranty is void if you tamper with products or bring them back in a different state to which they were sold to you.
- Warranty does NOT cover costs of shipping to and from in any circumstance.
- All Items/Products/Services purchased from Platinum Racing Products are to be installed by a qualified mechanic at an approved workshop and ALL warranty claims are dependent on proof of appropriate installation and verification of failure.
- Modifying your vehicle is illegal in some states and territories, the customer acknowledges that it is their responsibility to abide by the law and take the appropriate measures to ensure that their vehicle is roadworthy.
- Platinum Racing Products assumes no responsibility for any work carried out, modifications made or parts supplied with regards to road use. All our products are sold and intended for track use only.
- Lifetime warranty refers to certain Platinum Racing Products branded components and generally does not include 3rd party suppliers and their parts. Manufacturer warranty applies to items including but not limited to alternators, turbochargers, electrical sensors, ECUs and associated parts, tyres, etc.
- Due to customer and external components not supplied by PRP, flat drive oil pumps and components are limited to 1 yr warranty with specific cases reviewed before honoring. Spline drive will remain to have lifetime warranty, but again only after specific review.
- All refunds and warranty claims are based on back to base review and parts will need to be returned to HQ for assessment unless otherwise arranged.