D2 Racing RS Coilovers [for 2017+ Honda Civic Si & 2018+ Honda Accord]
D2 Racing RS Coilovers [for 2017+ Honda Civic Si & 2018+ Honda Accord]
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Transform your Honda's handling and stance with the D2 Racing RS Series Coilover Kit. Built on over 20 years of proven performance, these 36-way adjustable monotube shocks deliver the perfect balance between street comfort and track capability. Drop your Civic Si or Accord to an aggressive stance while maintaining the control you need for spirited driving or weekend track sessions.
The RS Series excels at adapting to your driving style. Fine-tune compression and rebound independently across 36 damping positions, then dial in your ride height separately from spring preload. Whether you're looking for daily comfort or lap-time performance, these coilovers give you the control to achieve it.
Built tough with anodized and powder-coated mounts that resist corrosion, plus anti-rust coating on all strut threads. The OEM top mount reuse means installation is straightforward and fitment is precise. Get ready to transform how your Honda handles and looks.
- Fitment: Fits 2017–2024 Honda Civic Si (FK7) & 2018–2024 Honda Accord (10th Gen)
- Easy Install: Simply bolt to your OEM top mounts—no custom modifications required
- Material: Constructed with high-quality monotube shock assemblies with anodized and powder-coated aluminum mounts, built to resist rust and corrosion
- Includes: Complete front and rear coilover kit with 36-way adjustable damping, full ride height adjustability, and separate spring preload settings
- Warranty: 1-Year Manufacturer's Warranty. Full USA serviceable support—if you encounter any issues, we've got your back
- Note: Requires professional installation for best results. Adjustable damping settings allow fine-tuning for both street and track use
Warranty Info
Warranty Info
We believe in the quality of our products, that's why we provide a 1-year warranty on our mods.*
If you have any issues or would like to contact us about your warranty, please contact us through email here.
*1-Year Warranty on all products UNLESS specified.
Shipping Info
Shipping Info
Free Shipping On Orders Over $200!*
Products shipped from manufacturers (GReddy, Seibon, etc.) may require additional shipping and handling fees.
Processing & Handling:
· 1-2 Business Days
Transit Time:
· 3-7 Business Days
Logistics Handled By:
· USPS, UPS, FEDEX, DHL, GROUND
Tracking Numbers:
Tracking will be emailed to you once your order ships. If you have not received a tracking email from us after 7 days, please contact us to look up your order status.
Where Do We Ship From?
All of our products are shipped out from USA warehouses to ensure premium quality and fast fulfillment. In the rare case that an item is out of stock or unavailable locally, we may ship directly from an international manufacturer using express air freight. Any additional shipping charges will be covered by us in this case.
International Shipping:
We proudly ship select products worldwide and have customers all around the globe.
*For some oversized items, additional shipping charges may be required for international shipments and non lower 48 USA states & territories (Hawaii, PR, Guam etc..) If you are shipping internationally or outside of the lower 48 USA states please contact us to double check shipping costs and availability*
Questions?
Contact us here.
Vehicle Fitment
Vehicle Fitment
If you are unsure if this product will fit your vehicle please contact us!
Email: hello@ultimatemotorsports.co
Return Policy
Return Policy
Don't love your new mod? We'll take it back w/ no hassle.
We have a 30-day return policy, which means you have 30 days after receiving your mod to request a return.
To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging.
To start a return, you can contact us at hello@ultimatemotorsports.co. If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.
All returns are subject to a 20% restocking fee unless stated otherwise.
You will be responsible for paying for your own shipping costs for returning your item unless the item was damaged/wrong/defective in which case we will cover shipping both ways. Initial shipping costs are non-refundable. If you receive a refund, the cost of return shipping will be deducted from your refund.
If you are shipping an item over $75, you should consider using a trackable shipping service or purchasing shipping insurance. We don’t guarantee that we will receive your returned item and take zero responsibility for any loss or damage during the return shipping.
International/Overseas Refunds
Customers outside of the lower 48 United States are subject to all return/exchange shipping and handling fees. International/Overseas orders may not be eligible for refunds due to increased international shipping fees.
See our full return policy here.

INSTALLED ON REAL BUILDS
OUR PARTNERS
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HATE WAITING?
We know you're excited to get your mods in. That's why we have 5-9 day USA shipping.
Because nobody likes waiting. Especially when it's new car parts.
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HAVE A QUESTION?
Just like you, we love modding our Civics. So we're here to help with your installation process, order issues, parts fitment, and any questions you have. Reach out via email and we'll reply as soon as we can.
Email: hello@ultimatemotorsports.co
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WHY CHOOSE ULTIMATE?
We guarantee that you'll love our mods. If not, we have simple and fast returns, a 365-day warranty, and a dedicated team to help you take your build to the next level. That's The Ultimate Guarantee.