Upgrade your vehicle's suspension system with CEIKA Custom Built Coilovers. Why choose us?
- Customization: Fully customizable coilovers to suit your unique needs and preferences. At CEIKA Every order is truly custom made!
- Quality: Built to last with the highest-quality materials and manufacturing processes with over 12 years experience. Coilovers we built 10 years ago are still going strong today! We have an extremely low amount of rebuild/failure close to zero.
- Performance: Fully Adjustable and Optimized for versatility with amazing handling and performance, whether you're a weekend racer, pro racer or a daily driver.
- Rebuildable: Car Racing can have its mishaps... We can provide you with any spare parts or rebuilt shock cartridges in order to maintain and service your coilovers as they endure everything you throw at them.
- Customer Service: Our knowledgeable and friendly team is always here to answer your questions and ensure your satisfaction before and after the order process.
Choose CEIKA for unparalleled customization, quality, performance, and customer service at an affordable price.
CEIKA's fully bolt-on and adjustable coilovers are specifically designed to fit the Infiniti G37S Convertible (07~UP).
Our kit offers a direct bolt-on installation that's as simple as OEM suspensions. it will come with the following coilover design:
Front and Rear Helper/Dual Springs are available for the G37S Convertible.
Standard Spring Rates for Infiniti G37S Convertible:
If you're looking for a more comfortable ride, we can adjust the spring rates to be between -2 and -4 Kg/mm depending on your requirements and the car's suspension design.
For racing applications, our experts will work with you to determine the best spring rates for your specific setup.
We take all factors into account to design the optimal setup for your Infiniti G37S. Our expertise at CEIKA will ensure that the coilovers meet your unique needs.
CEIKA offers free express shipping with DHL/FedEx for orders to the U.S., Canada, Australia, Japan, Europe, and many other locations. If you're located outside of these areas, you can check the estimated extra shipping charges at checkout.
We aim to deliver your order within 4 to 6 working days of dispatch. Please note that delivery times may vary depending on your location and any potential customs delays.
Order with confidence knowing that CEIKA is committed to providing fast and reliable shipping for your coilovers.
- CEIKA 1 year warranty:
Against all manufacturing defect. We stand behind the quality of our products and ensure that they are built to last.
- Direct bolt-on install guaranteed: We send revised or replacement parts free of charge in case anything does not fit or perform as it should.
- Satisfaction Guaranteed:
We will make sure that the kit performs as you expect and help adjust or swap components if required.
Bolt-on guaranteed for Your Infiniti G37S Convertible (07~UP)
Our race-proven coilovers are custom built and valved to suit your specific needs, whether it be for everyday use or pro racing. Since 2008, every CEIKA order is unique, with fine-tuned spring rates and custom shock valving to match. Our shocks are custom valved, dyno tested, and guaranteed to provide you with the closest ride quality and handling desired with this upgrade. At CEIKA, we are fully committed to giving each and every order the attention and expertise it deserves. Our team of technical experts will provide you with the best support and guidance to make sure you get the most out of your suspension kit.
Our Custom CEIKA Coilovers are used in all types of street and pro race cars all around the world, providing excellent performance and outstanding longevity. They are built to order based on three different shock design types:
We strongly recommend the Type 1M for daily use or even pro racers who want fast and easy adjustability of the car for any circumstance. With the Type 2M and 3M, you run the risk of setting up the damping adjustment incorrectly, leading to a bad handling experience. The Type 1M will provide a perfectly safe and efficient handling throughout its single adjustment range.
Our Custom CEIKA Coilovers will greatly improve and renew your car's feel, providing a firm yet versatile ride that feels soft when going over bumpy surfaces. Proper fine-tuning of the coilovers, as well as installation, is important, so make sure you have this task carried out by a professional and follow our guidelines or advice.
On top of renewing your car's suspension and steering feel, this upgrade will provide:
Our shocks are also corrosion-resistant and built to last, so you can enjoy the benefits for years to come. Installation is quick and easy, and we even offer a one-year warranty for your peace of mind. Don't settle for a stock or aftermarket off-the-shelf suspension system that doesn't meet your needs. Upgrade to the CEIKA Coilover Suspension System and experience the difference for yourself.
At CEIKA, we understand that every car and driver is unique, and therefore every suspension setup should be too. That's why we offer our Custom Coilovers for a wide range of applications, from daily driven street cars to high-performance racing machines. Our custom coilovers have been used in all types of street and pro race cars all around the world, in categories such as rally, drift, drag, road racing, time attack, and more. Even for street cars, you can now benefit from coilover adjustability and better handling even if you want a comfortable ride for your daily driver or family car. No matter what type of driving you do, our technical experts will work with you to customise a setup that meets your specific needs and driving style.
We will make sure that you will be pleased and that the coilovers exceed your expectations. Whether you're looking for improved handling and performance, or simply want to refresh your car's chassis, our suspension system is the perfect choice. Order your CEIKA Coilover Suspension System today and experience the ultimate in performance, handling, and adjustability. You can also read our previous customer reviews below to see what they have to say about us! Just like them, you won't regret it!
We strongly advise to make sure that every component in your chassis suspensions, steering components and subframe mounts are in good working conditions as upgrading to stiffer suspensions (especially with pillow ball tops) will make suspension play and noises more noticeable and the stronger forces applied on them will make worn out mounts and bushes wear out quickly. Good condition OEM bushes or new poly bushes upgrade along with the suspensions upgrade will insure a "like brand new" ride quality.
Shipping was incredibly slow because of some holiday I was unaware of, I sprung for the extra low option and the rear is great but the front could use an additional couple inches of play, however I understand most z31 guys don’t like going low low, so I just had to order shorter springs from a different company. I will say the communication I had with them a few times was on point.
Everything fits well, especially on an old car that has no aftermarket support, perfect coils for it
Top ! Superbe qualité
We purchased these coilovers to give us a slight lift and an appropriate spring rate for keeping our tires on the ground over a rally cross stage. These coilovers performed beyond expectations. The faster you go, the smoother the car rides, ramps and bumps get smoothed over for a supple and sporty ride in the dirt. We will be using these coilovers for all future rally builds.
In addition, the customer service at Ceika was exceptional. They accommodated last minute additions to our suspension, and custom created a valving and spring setup that would perform best in the environment it would be subjected to. Follow up replies from the company are prompt and helpful, really made us feel taken care of.
I did not have many options because of my car A8 2011 no after market parts for it, so after many searches I find CEIKA!!! I’m glad I did super nice all the options I need, smooth ride and very customizable very happy I definitely recommend them I also had and issue with the delivery people and ceika people took care of my problem right away.. thank you guys my coilovers are awesome