For The

Modern
Enthusiast

FastRoad Pro™

Designed on the principle that a sports car doesn’t have to ride harsh or uncomfortably to still perform when pushed to its limits. That means whether you are getting to the track, chasing times on course or picking up your date after, FastRoad Pro™ coilovers will all ways keep you composed.

Each application we offer is individually tailored to its chassis. During on chassis testing we monitor multiple conditions with our data acquisition systems to confirm the suspension and vehicle dynamics. Valving is then verified with our in-house Roehrig® dynoes.  Springs rates are carefully chosen to provide a balance between blistering performance and remarkable comfort. We don't believe in settling for off the shelf valving, and neither should you.

Engineered in-house in California, FastRoad Pro™ coilovers are hand-assembled using a network of quality suppliers located in North America, Europe, and Asia. Each shock is verified for performance on a shock dyno before being sent out. FastRoad Pro™ is a one and done suspension solution for the discerning sports car enthusiast that is made to last.

Avatar
Self-centering Lock Rings and Super Corrosion Resistant NiCr Plated Shock Bodies
Avatar
Road Noise Isolators Blend Performance with Comfort
Avatar
Tumbled, Polished, then Dipped: Shock Adjuster with 24 Distinct Damper Settings
Avatar
Application Specific Valving with Linear or Digressive Profiles
Avatar
Spring Seat Perch with Integrated Bearing for Incredible Steering Feel

Product Specifications

Monotube Designed for Performance and Durability

A racing proven design perfected for everyday use. Our coilovers use high pressure Nitrogen in a Monotube layout. This technology coupled with an oversized 43.5mm piston gives us the ability to build tremendous damping force without cavitation.  

We want to protect your investment, so we use high quality seals internally and spec an industry leading Nickel-chromium plating for the shock bodies that is extremely durable in harsh environments. You can read more about our long lasting components on our Quality and Durability page

24 Distinct Damper Settings

The 24 positive detents of adjustment allow for a wide rebound damping adjustment range and a very noticeable change in driving characteristics at each click.

On a low setting we tune the suspension to soak up roots, cracks, and potholes, yet allow minimal body roll compared to a typical performance spring and shock combo. At the track, just set the dampers to a higher setting to experience sharper turn-in and even greater chassis control. We engineered our shocks to blow-off when hitting large bumps, giving the driver a greater range of possible driving lines.  

Industry Leading Lock Ring Design

A suspension manufacturer's lock rings say a lot about the overall quality of the product because it costs more to put on the finishing touches. Our lock rings are unique in that they self-center your spanner when adjusting, reducing the chance of busted knuckles and greatly reducing the time needed to make ride height adjustments.  

We spend extra time on the CNC machine giving our parts rounded and radiused edges, we have removed excess weight (while maintaining strength) and kept it all hand adjustment friendly. Read more about our design philosophy here.

Premium Shock Oil

What’s on the inside counts, especially when it is the life blood of your suspension! We compared several shock oil manufacturers and spec'd an AGIP 5W shock oil imported from Italy. We chose this oil specifically for it’s thermal dissipation properties, long life, and resistance to cavitation.

T6 6061 Aluminum Mounts and Camber Plates

Chosen for it’s strength and low weight, we’ve also opted to subject all aluminum parts to a deep sulfuric anodization process that results in the rich colors and even finish that not only looks good, but will protect the parts for years to come.

Road Noise Isolators for Everday Usability

No compromise on performance, just major gains in sound damping and comfort. We use a specifically selected material at a calculated thickness and durometer to achieve this, which is the similar to a concept used in OEM parts on high end luxury vehicles. With this technology, we are able to retain pillow ball mounts on our camber plates while reducing a large amount of the noise, vibration, and harshness that you feel on a day to day basis.

Once you experience this combination of performance and usability, you may wonder how you put up with tradditional coilover systems in the past!

Spring Perches with integrated Koyo® Bearings

Our upper spring seat perch has an integrated Koyo® bearing for higher steering precision and less steering effort. It also reduces spring noises and improves steering feel very noticeably compared to suspension systems without similar bearings.

Heavy Duty Dust Boots

Not just a generic afterthought! We chose a thick and durable neoprene dust boots to better protect the shock shafts from scrapes and bruises. Further enhancing the longevity of the internal shaft seals and damper oil.

Individual Assembly, Dyno Testing, and Setup 

Every shock we produce is dyno tested to make sure it produces the force curve we intended. Along with a careful QC process, this final performance test ensures that there are no internal valving or assembly issues that occured during assembly.

Our technicians take these dyno-verified shocks and build to the application spec, by hand. In addition to a final visual QC check, he sets the spring pre-load and default damping setting (if applicable) and carefully boxes the order up.

U.S.A. Based 1 Year Warranty with In-house Rebuilding and Revalving

We are U.S.A. based motorsports enthusiasts. Our services cover everything from custom valving on our in-house shock dynoes to full rebuilds, or Swift spring upgrades and race specific application development. All of it can be done in our California service center.  

Our product warranty is 1 year from date of purchase. Additionaly, if you have any issues after the warranty period is over we will do what we can to make it right. Your total satisfaction is what drives us.

FIRM,
But Never Harsh

Our spring rates provide great chassis control on track while specially valved internals reduce harshness and increase grip on bumpy terrain. Make no mistake, FastRoad Pro™ is for fast drivers just seeking to take some edge off.

Firm, But Never Harsh

Our spring rates provide great chassis control on track, yet specially valved internals reduce harshness and increase grip over the bumpy stuff. Make no mistake, FastRoad Pro is for fast drivers just seeking to take some edge off

Relief From Road Noise

Our NVH Isolators reduce road noise typically associated with performance coilovers.

Optimized Stroke Improves Grip and Versatilty

Our spring rates provide great chassis control on track, yet specially valved internals reduce harshness and increase grip over the bumpy stuff. Make no mistake, FastRoad Pro is for fast drivers just seeking to take some edge off

The Ideal Suspension
                        for the

  Modern Enthusiast

Research
And
Development
In U.S.A.

Learn More +

Read about our unique features we incorporate to ensure a long lasting relationship between you and your car.

We want our products to be the last set of suspension you purchase for your car, period. High quality materials and coatings are used in Annex Suspension Group products to help achieve this goal.

Further Talking Points to be expanded later:

Strength and Service Life – All of our shock bodies start as a high strength carbon steel extrusion. Each cylinder is machined to a very tight tolerance before being subject to a series of QC processes including a final visual inspection by a dedicated technician. This rigorous testing ensures a long service life and repeatable shock performance, mile after mile. [Insert photos of bare cylinders]
Superior Corrosion Resistance - All of our shock bodies are extremely durable against corrosion in the worst of environmental conditions. Several types of coatings were tested until a process that met our standards was finally selected.   3 different types of different nickel coatings and a final chromium sealant layer ensure that all of our shock bodies can withstand the harshest of environments. In addition, the Nickel-chromium finish is not prone to damaging electrolysis, which is a leading cause of seized spring perches on typical coilover systems. The result is a shock body that will always remain easy to adjust and will help to protect the spring perches from damage that results from corrosion build up of the threads on and off the track. [close up of threads] mention product warranty?
Exceptional corrosion resistance
Enhanced durability
Long lasting aesthetic appeal
Protection for lock rings and shock body threads
Eliminates risk of frozen lock rings due to electrolysis

Research
And
Development
In U.S.A.

Learn More +

Read about our unique features we incorporate to ensure a long lasting relationship between you and your car.

We want our products to be the last set of suspension you purchase for your car, period. High quality materials and coatings are used in Annex Suspension Group products to help achieve this goal.

Further Talking Points to be expanded later:

Strength and Service Life – All of our shock bodies start as a high strength carbon steel extrusion. Each cylinder is machined to a very tight tolerance before being subject to a series of QC processes including a final visual inspection by a dedicated technician. This rigorous testing ensures a long service life and repeatable shock performance, mile after mile. [Insert photos of bare cylinders]
Superior Corrosion Resistance - All of our shock bodies are extremely durable against corrosion in the worst of environmental conditions. Several types of coatings were tested until a process that met our standards was finally selected.   3 different types of different nickel coatings and a final chromium sealant layer ensure that all of our shock bodies can withstand the harshest of environments. In addition, the Nickel-chromium finish is not prone to damaging electrolysis, which is a leading cause of seized spring perches on typical coilover systems. The result is a shock body that will always remain easy to adjust and will help to protect the spring perches from damage that results from corrosion build up of the threads on and off the track. [close up of threads] mention product warranty?
Exceptional corrosion resistance
Enhanced durability
Long lasting aesthetic appeal
Protection for lock rings and shock body threads
Eliminates risk of frozen lock rings due to electrolysis

Relief
From Road Noise

Increased Noise, Vibration, and Harshness (NVH) is a primary cause of discomfort with an aftermarket coilover suspension system. We engineered an NVH isolator that reduces road noise considerably while maintaining excellent steering response! 

Two
Quality Control
Process

Learn More +

Read about our unique features we incorporate to ensure a long lasting relationship between you and your car.

We want our products to be the last set of suspension you purchase for your car, period. High quality materials and coatings are used in Annex Suspension Group products to help achieve this goal.

Further Talking Points to be expanded later:

Strength and Service Life – All of our shock bodies start as a high strength carbon steel extrusion. Each cylinder is machined to a very tight tolerance before being subject to a series of QC processes including a final visual inspection by a dedicated technician. This rigorous testing ensures a long service life and repeatable shock performance, mile after mile. [Insert photos of bare cylinders]
Superior Corrosion Resistance - All of our shock bodies are extremely durable against corrosion in the worst of environmental conditions. Several types of coatings were tested until a process that met our standards was finally selected.   3 different types of different nickel coatings and a final chromium sealant layer ensure that all of our shock bodies can withstand the harshest of environments. In addition, the Nickel-chromium finish is not prone to damaging electrolysis, which is a leading cause of seized spring perches on typical coilover systems. The result is a shock body that will always remain easy to adjust and will help to protect the spring perches from damage that results from corrosion build up of the threads on and off the track. [close up of threads] mention product warranty?
Exceptional corrosion resistance
Enhanced durability
Long lasting aesthetic appeal
Protection for lock rings and shock body threads
Eliminates risk of frozen lock rings due to electrolysis

Two
Quality
Control
Process

Learn More +

Read about our unique features we incorporate to ensure a long lasting relationship between you and your car.

We want our products to be the last set of suspension you purchase for your car, period. High quality materials and coatings are used in Annex Suspension Group products to help achieve this goal.

Further Talking Points to be expanded later:

Strength and Service Life – All of our shock bodies start as a high strength carbon steel extrusion. Each cylinder is machined to a very tight tolerance before being subject to a series of QC processes including a final visual inspection by a dedicated technician. This rigorous testing ensures a long service life and repeatable shock performance, mile after mile. [Insert photos of bare cylinders]
Superior Corrosion Resistance - All of our shock bodies are extremely durable against corrosion in the worst of environmental conditions. Several types of coatings were tested until a process that met our standards was finally selected.   3 different types of different nickel coatings and a final chromium sealant layer ensure that all of our shock bodies can withstand the harshest of environments. In addition, the Nickel-chromium finish is not prone to damaging electrolysis, which is a leading cause of seized spring perches on typical coilover systems. The result is a shock body that will always remain easy to adjust and will help to protect the spring perches from damage that results from corrosion build up of the threads on and off the track. [close up of threads] mention product warranty?
Exceptional corrosion resistance
Enhanced durability
Long lasting aesthetic appeal
Protection for lock rings and shock body threads
Eliminates risk of frozen lock rings due to electrolysis

Optimized Suspension
Stroke

We engineered our suspension systems to soak up track berms and bumps at speed. Special attention to droop travel ensures your car remains composed on and off the track. The result is incredible grip and speed in real world conditions.

Tailored
Valving

Like a well fitted suit, our Research and Development team creates linear and digressive valving profiles that best fit the needs of the application. The end result is specific dampening curves that provide inspiring performance, fast response, and a superb ride quality.

Improved Steering Feel

Spring seat perch with integrated Koyo® bearing for increased steering precision and feedback with reduced spring noise and steering effort.

Final
Assemble
In U.S.A

Learn More +

Read about our unique features we incorporate to ensure a long lasting relationship between you and your car.

We want our products to be the last set of suspension you purchase for your car, period. High quality materials and coatings are used in Annex Suspension Group products to help achieve this goal.

Further Talking Points to be expanded later:

Strength and Service Life – All of our shock bodies start as a high strength carbon steel extrusion. Each cylinder is machined to a very tight tolerance before being subject to a series of QC processes including a final visual inspection by a dedicated technician. This rigorous testing ensures a long service life and repeatable shock performance, mile after mile. [Insert photos of bare cylinders]
Superior Corrosion Resistance - All of our shock bodies are extremely durable against corrosion in the worst of environmental conditions. Several types of coatings were tested until a process that met our standards was finally selected.   3 different types of different nickel coatings and a final chromium sealant layer ensure that all of our shock bodies can withstand the harshest of environments. In addition, the Nickel-chromium finish is not prone to damaging electrolysis, which is a leading cause of seized spring perches on typical coilover systems. The result is a shock body that will always remain easy to adjust and will help to protect the spring perches from damage that results from corrosion build up of the threads on and off the track. [close up of threads] mention product warranty?
Exceptional corrosion resistance
Enhanced durability
Long lasting aesthetic appeal
Protection for lock rings and shock body threads
Eliminates risk of frozen lock rings due to electrolysis
370 Coilovers for Street and Track - Daily Driver Coilovers

" I'm loving these coilovers. It was really amazing how similar these felt to OEM as soon as I drove down the street after installing them. But as soon as I made the first turn, the car was completely flat like I would expect from a coilover. And when I took my car to a local mountain road, I literally pulled over and laughed it was so good!! The car just sucked up bumps, had tons of grip, and had very little road noise. Since the grip is improved so much, and the car feels so in control, I actually dropped eight seconds at Button Willow Raceway with no other changes than the Annex coilovers. Bottom line is I'm super impressed and I'm recommending these to all of my friends. "
 

-Eddie W.
2013 Nissan 370Z

June 14, 2018

"The coilovers [are] awesome! It turns easier, stays flatter in corners and handles regular daily bumps with ease! Definitely daily drivable! Car tracks super straight and turn in is incredible, had to soften up the rear sway bar to try and get the rear end to grip better but currently the setup is great for drift/ street currently! Overall very very happy with the suspension, it’s works fantastically and rides much better than the 8k setups I’ve driven and performs as well IMO!"



 

 

-Kyle S.
1986 Toyota Corolla GT-S
April 2, 2018

Subaru WRX Coilovers for Street and Track - Daily Driver Coilovers

"I've experienced a variety of suspension setups, and one of my favorites is the OEM Subaru suspension in my 2015 WRX. While it's fine for daily driving, it leaves a bit to be desired for aggressive driving. Enter the Annex Suspension Fast Road Pro. These coilovers exceeded my expectations - amazingly comfortable during the morning commute to work, able to handle aggressive canyon carving, long road trips a breeze, and even helped keep the car's composure in inclement weather conditions."



 

 

-Minh V.
2015 Subaru WRX
March 5, 2018

Final
Assemble
In U.S.A.

Learn More +

Read about our unique features we incorporate to ensure a long lasting relationship between you and your car.

We want our products to be the last set of suspension you purchase for your car, period. High quality materials and coatings are used in Annex Suspension Group products to help achieve this goal.

Further Talking Points to be expanded later:

Strength and Service Life – All of our shock bodies start as a high strength carbon steel extrusion. Each cylinder is machined to a very tight tolerance before being subject to a series of QC processes including a final visual inspection by a dedicated technician. This rigorous testing ensures a long service life and repeatable shock performance, mile after mile. [Insert photos of bare cylinders]
Superior Corrosion Resistance - All of our shock bodies are extremely durable against corrosion in the worst of environmental conditions. Several types of coatings were tested until a process that met our standards was finally selected.   3 different types of different nickel coatings and a final chromium sealant layer ensure that all of our shock bodies can withstand the harshest of environments. In addition, the Nickel-chromium finish is not prone to damaging electrolysis, which is a leading cause of seized spring perches on typical coilover systems. The result is a shock body that will always remain easy to adjust and will help to protect the spring perches from damage that results from corrosion build up of the threads on and off the track. [close up of threads] mention product warranty?
Exceptional corrosion resistance
Enhanced durability
Long lasting aesthetic appeal
Protection for lock rings and shock body threads
Eliminates risk of frozen lock rings due to electrolysis

Don't see your application? Contact us here to make a request!

FastRoad Pro™

Designed on the principle that a Sports Car doesn’t have to ride harsh or uncomfortably to still perform when pushed to its limits. That means whether you are getting to the track, chasing time on course or picking up your internet date after, FastRoad Pro™ coilovers will do it all!  

Each application is individually tailored to its chassis. Every chassis unique setup is tested on the shock dyno first and then rigorously tested in real world conditions. During on chassis testing we monitor multiple conditions with our data acquisition systems to confirm the suspension and vehicle dynamics.

Designed in-house in the US and manufactured at a direct cost savings to the customer, with final hand assembly and quality check done in-house, FastRoad Pro™ coilovers offers a one and done suspension solution at an affordable cost to the Sports Car enthusiast.

Product Specifications

Nickle Plated Shock Body +

Read about our unique features we incorporate to ensure a long lasting relationship between you and your car.

NVH Isolators +

Read about our unique features we incorporate to ensure a long lasting relationship between you and your car.

Monotube Internal With High Pressure Nitrogen +

Read about our unique features we incorporate to ensure a long lasting relationship between you and your car.

5W Special Italian Damper Oil +

Read about our unique features we incorporate to ensure a long lasting relationship between you and your car.

24 Levels Damper Adjustable +

Read about our unique features we incorporate to ensure a long lasting relationship between you and your car.

T6 6061 Aluminum Mounts and Camber Plates +

Read about our unique features we incorporate to ensure a long lasting relationship between you and your car.

1 Year Manufacture Warranty +

Read about our unique features we incorporate to ensure a long lasting relationship between you and your car.

Rebuildable and Revalveable in U.S.A +

Read about our unique features we incorporate to ensure a long lasting relationship between you and your car.

FastRoad Pro™

Designed on the principle that a Sports Car doesn’t have to ride harsh or uncomfortably to still perform when pushed to its limits. That means whether you are getting to the track, chasing time on course or picking up your internet date after, FastRoad Pro™ coilovers will do it all!  

Each application is individually tailored to its chassis. Every chassis unique setup is tested on the shock dyno first and then rigorously tested in real world conditions. During on chassis testing we monitor multiple conditions with our data acquisition systems to confirm the suspension and vehicle dynamics.

Designed in-house in the US and manufactured at a direct cost savings to the customer, with final hand assembly and quality check done in-house, FastRoad Pro™ coilovers offers a one and done suspension solution at an affordable cost to the Sports Car enthusiast.

Product Specifications

Nickle Plated Shock Body +

Read about our unique features we incorporate to ensure a long lasting relationship between you and your car.

NVH Isolators +

Read about our unique features we incorporate to ensure a long lasting relationship between you and your car.

Monotube Internal with High Pressure Nitrogen+

Read about our unique features we incorporate to ensure a long lasting relationship between you and your car.

5W Special Italian Damper Oil +

Read about our unique features we incorporate to ensure a long lasting relationship between you and your car.

24 Levels damper Adjustable +

T6 6061 Aluminum Mounts and Camber Plates +

Read about our unique features we incorporate to ensure a long lasting relationship between you and your car.

1 Year Manufacture Warranty +

Read about our unique features we incorporate to ensure a long lasting relationship between you and your car.

Rebuildable and Revalveable in U.S.A. +

Read about our unique features we incorporate to ensure a long lasting relationship between you and your car.

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Testimonial 1

2 APR 2017, 12:21

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Testimonial 1

2 APR 2017, 12:21

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Testimonial 1

2 APR 2017, 12:21

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Testimonial 1

2 APR 2017, 12:21

"Lorem ipsum dolor sit amet, pro petentium consulatu cu, etiam numquam scriptorem sed ei. Mel labitur facilisi praesent ut, an brute facilisis has. an brute facilisis has. an brute facilisis hasan brute facilisis has. an brute facilisis has"

Testimonial 1

2 APR 2017, 12:21

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Testimonial 1

2 APR 2017, 12:21

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Testimonial 1

2 APR 2017, 12:21

For the
Modern
Enthusiast

FastRoad Pro™

Designed on the principle that a sports car doesn’t have to ride harsh or uncomfortably to still perform when pushed to its limits. That means whether you are getting to the track, chasing times on course or picking up your date after, FastRoad Pro™ coilovers will all ways keep you composed.

Each application we offer is individually tailored to its chassis. During on chassis testing we monitor multiple conditions with our data acquisition systems to confirm the suspension and vehicle dynamics. Valving is then verified with our in-house Roehrig® dynoes.  Springs rates are carefully chosen to provide a balance between blistering performance and remarkable comfort. We don't believe in settling for off the shelf valving, and neither should you.

Engineered in-house in California, FastRoad Pro™ coilovers are hand-assembled using a network of quality suppliers located in North America, Europe, and Asia. Each shock is verified for performance on a shock dyno before being sent out. FastRoad Pro™ is a one and done suspension solution for the discerning sports car enthusiast that is made to last.

Design Features

Swipe and tap picture for see details​​​​​​

Avatar
Self-centering Lock Rings and Super Corrosion Resistant NiCr Plated Shock Bodies
Avatar
Tumbled, Polished, then Dipped: Shock Adjuster with 24 Distinct Damper Settings
Avatar
Road Noise Isolators Blend Performance with Comfort
Avatar
Application Specific Valving with Linear or Digressive Profiles
Avatar
Spring Seat Perch with Integrated Bearing for Incredible Steering Feel

For the
Modern
Enthusiast

Design Features

Swipe and tap picture to see details

Avatar
Self-centering Lock Rings and Super Corrosion Resistant NiCr Plated Shock Bodies
Avatar
Tumbled, Polished, then Dipped: Shock Adjuster with 24 Distinct Damper Settings
Avatar
Road Noise Isolators Blend Performance with Comfort
Avatar
Application Specific Valving with Linear or Digressive Profiles
Avatar
Spring Seat Perch with Integrated Bearing for Incredible Steering Feel

Product Specifications

Monotube Designed for Performance and Durability

A racing proven design perfected for everyday use. Our coilovers use high pressure Nitrogen in a Monotube layout. This technology coupled with an oversized 43.5mm piston gives us the ability to build tremendous damping force without cavitation.  

We want to protect your investment, so we use high quality seals internally and spec an industry leading Nickel-chromium plating for the shock bodies that is extremely durable in harsh environments. You can read more about our long lasting components on our Quality and Durability page 

24 Distinct Damper Settings

The 24 positive detents of adjustment allow for a wide rebound damping adjustment range and a very noticeable change in driving characteristics at each click.

On a low setting we tune the suspension to soak up roots, cracks, and potholes, yet allow minimal body roll compared to a typical performance spring and shock combo. At the track, just set the dampers to a higher setting to experience sharper turn-in and even greater chassis control. We engineered our shocks to blow-off when hitting large bumps, giving the driver a greater range of possible driving lines. 

Industry Leading Lock Ring Design

A suspension manufacturer's lock rings say a lot about the overall quality of the product because it costs more to put on the finishing touches. Our lock rings are unique in that they self-center your spanner when adjusting, reducing the chance of busted knuckles and greatly reducing the time needed to make ride height adjustments.  

We spend extra time on the CNC machine giving our parts rounded and radiused edges, we have removed excess weight (while maintaining strength) and kept it all hand adjustment friendly. Read more about our design philosophy here.

Premium Shock Oil

What’s on the inside counts, especially when it is the life blood of your suspension! We compared several shock oil manufacturers and spec'd an AGIP 5W shock oil imported from Italy. We chose this oil specifically for it’s thermal dissipation properties, long life, and resistance to cavitation.

T6 6061 Aluminum Mounts and Camber Plates

Chosen for it’s strength and low weight, we’ve also opted to subject all aluminum parts to a deep sulfuric anodization process that results in the rich colors and even finish that not only looks good, but will protect the parts for years to come.

Road Noise Isolators for Everday Usability

No compromise on performance, just major gains in sound damping and comfort. We use a specifically selected material at a calculated thickness and durometer to achieve this, which is the similar to a concept used in OEM parts on high end luxury vehicles. With this technology, we are able to retain pillow ball mounts on our camber plates while reducing a large amount of the noise, vibration, and harshness that you feel on a day to day basis.

Once you experience this combination of performance and usability, you may wonder how you put up with tradditional coilover systems in the past!

Spring Perches with integrated Koyo® Bearings

Our upper spring seat perch has an integrated Koyo® bearing for higher steering precision and less steering effort. It also reduces spring noises and improves steering feel very noticeably compared to suspension systems without similar bearings.

Heavy Duty Dust Boots

Not just a generic afterthought! We chose a thick and durable neoprene dust boots to better protect the shock shafts from scrapes and bruises. Further enhancing the longevity of the internal shaft seals and damper oil.

Individual Assembly, Dyno Testing, and Setup

Every shock we produce is dyno tested to make sure it produces the force curve we intended. Along with a careful QC process, this final performance test ensures that there are no internal valving or assembly issues that occured during assembly.

Our technicians take these dyno-verified shocks and build to the application spec, by hand. In addition to a final visual QC check, he sets the spring pre-load and default damping setting (if applicable) and carefully boxes the order up. 

U.S.A. Based 1 Year Warranty with In-house Rebuilding and Revalving

We are U.S.A. based motorsports enthusiasts. Our services cover everything from custom valving on our in-house shock dynoes to full rebuilds, or Swift spring upgrades and race specific application development. All of it can be done in our California service center.  

Our product warranty is 1 year from date of purchase. Additionaly, if you have any issues after the warranty period is over we will do what we can to make it right. Your total satisfaction is what drives us.

FIRM,
But Never Harsh

Our spring rates provide great chassis control on track while specially valved internals reduce harshness and increase grip on bumpy terrain. Make no mistake, FastRoad Pro™ is for fast drivers just seeking to take some edge off.

FIRM,
But Never Harsh

FIRM,
But Never Harsh

Our spring rates provide great chassis control on track while specially valved internals reduce harshness and increase grip on bumpy terrain. Make no mistake, FastRoad Pro™ is for fast drivers just seeking to take some edge off.

Relief
From Road Noise

Increased Noise, Vibration, and Harshness (NVH) is a primary cause of discomfort with an aftermarket coilover suspension system. We engineered an NVH isolator that reduces road noise considerably while maintaining excellent steering response! 

Optimized Suspension
Stroke

We engineered our suspension systems to soak up track berms and bumps at speed. Special attention to droop travel ensures your car remains composed on and off the track. The result is incredible grip and speed in real world conditions.

Tailored
Valving

Like a well fitted suit, our Research and Development team creates linear and digressive valving profiles that best fit the needs of the application. The end result is specific dampening curves that provide inspiring performance, fast response, and a superb ride quality.

Improved Steering Feel

Spring seat perch with integrated Koyo® bearing for increased steering precision and feed back with reduced spring noise and steering effort.

Relief
From Road Noise

Increased Noise, Vibration, and Harshness (NVH) is a primary cause of discomfort with an aftermarket coilover suspension system. We engineered an NVH isolator that reduces road noise considerably while maintaining excellent steering response! 

Nissan 370Z Coilovers for Track and Street

" I'm loving these coilovers. It was really amazing how similar these felt to OEM as soon as I drove down the street after installing them. But as soon as I made the first turn, the car was completely flat like I would expect from a coilover. And when I took my car to a local mountain road, I literally pulled over and laughed it was so good!! The car just sucked up bumps, had tons of grip, and had very little road noise. Since the grip is improved so much, and the car feels so in control, I actually dropped eight seconds at Button Willow Raceway with no other changes than the Annex coilovers. Bottom line is I'm super impressed and I'm recommending these to all of my friends. "
 

-Eddie W.
2013 Nissan 370Z

June 14, 2018

"The coilovers [are] awesome! It turns easier, stays flatter in corners and handles regular daily bumps with ease! Definitely daily drivable! Car tracks super straight and turn in is incredible, had to soften up the rear sway bar to try and get the rear end to grip better but currently the setup is great for drift/ street currently! Overall very very happy with the suspension, it’s works fantastically and rides much better than the 8k setups I’ve driven and performs as well IMO!"



 

 

-Kyle S.
1986 Toyota Corolla GT-S
April 2, 2018

Subaru 2015 WRX Coilovers for Track and Street

"I've experienced a variety of suspension setups, and one of my favorites is the OEM Subaru suspension in my 2015 WRX. While it's fine for daily driving, it leaves a bit to be desired for aggressive driving. Enter the Annex Suspension Fast Road Pro. These coilovers exceeded my expectations - amazingly comfortable during the morning commute to work, able to handle aggressive canyon carving, long road trips a breeze, and even helped keep the car's composure in inclement weather conditions."

 

-Mihn V.
2015 Subaru WRX
March 5, 2018

Optimized Suspension
Stroke

We engineered our suspension systems to soak up track berms and bumps at speed. Special attention to droop travel ensures your car remains composed on and off the track. The result is incredible grip and speed in real world conditions.

Tailored
Valving

Like a well fitted suit, our Research and Development team creates linear and digressive valving profiles that best fit the needs of the application. The end result is specific dampening curves that provide inspiring performance, fast response, and a superb ride quality.

Improved Steering Feel

Spring seat perch with integrated Koyo bearing for increased steering precision and feedback with reduced spring noise and steering effort.

Don't see your application? Contact us here to make a request!

Nissan 370Z Coilovers for Track and Street

" I'm loving these coilovers. It was really amazing how similar these felt to OEM as soon as I drove down the street after installing them. But as soon as I made the first turn, the car was completely flat like I would expect from a coilover. And when I took my car to a local mountain road, I literally pulled over and laughed it was so good!! The car just sucked up bumps, had tons of grip, and had very little road noise. Since the grip is improved so much, and the car feels so in control, I actually dropped eight seconds at Button Willow Raceway with no other changes than the Annex coilovers. Bottom line is I'm super impressed and I'm recommending these to all of my friends. "
 

-Eddie W.
2013 Nissan 370Z

June 14, 2018

Subaru WRX Coilovers for Track and Street 2015 2016 2017 2018

"I've experienced a variety of suspension setups, and one of my favorites is the OEM Subaru suspension in my 2015 WRX. While it's fine for daily driving, it leaves a bit to be desired for aggressive driving. Enter the Annex Suspension Fast Road Pro. These coilovers exceeded my expectations - amazingly comfortable during the morning commute to work, able to handle aggressive canyon carving, long road trips a breeze, and even helped keep the car's composure in inclement weather conditions."

 

-Mihn V.
2015 Subaru WRX
March 5 ,2018

"The coilovers [are] awesome! It turns easier, stays flatter in corners and handles regular daily bumps with ease! Definitely daily drivable! Car tracks super straight and turn in is incredible, had to soften up the rear sway bar to try and get the rear end to grip better but currently the setup is great for drift/ street currently! Overall very very happy with the suspension, it’s works fantastically and rides much better than the 8k setups I’ve driven and performs as well IMO!"



-Kyle S.
1986 Toyota Corolla GT-S
April 2, 2018

Don't see your application? Contact us here to make a request!