Riaction MAZDA MIATA MX-5 NB (99-05) Coilovers
SHIPPING - RETURNS - WARRANTY - CANCELLATION POLICY
*** Market Conditions after 2020 have changed the landscape of automotive parts. Although we try to stock 1000's of items in our multiple warehouse and use multiple distribution channels, having back-orders are unavoidable in today's market. If you are in need of a product quickly, we suggest email, message, or call us for availability so that we may explore your options.
Email: Sales@Speedzoneweb.com
Call: 407-846-8430
Text: 407-749-6314
Frequently Asked Questions
Unlock precise handling and street-tuned comfort with the Riaction Performance Shocks Coilover Kit for the 1999–2005 Mazda Miata NB. Whether you're after a lower stance or sharper cornering response, this coilover setup delivers confidence and adjustability for any NB build.
Designed with full-length ride height control and 32 damping levels, this system gives you the ability to fine-tune your ride for daily driving or spirited weekend runs. Each kit is manufactured from premium materials and comes backed by a 2-year factory warranty for peace of mind.
🔧 Coilover Features:
- Full-Length Ride Height Adjustment
- 32 Damping Adjustment Levels
- Mono-Tube Damper Design
- Seamless 52mm Electroplated Carbon Steel Shock Body
- 20mm Piston Rod (McPherson Suspension)
- 14mm Piston Rod (Non-McPherson Suspension)
- 44mm CNC 6061 Aluminum High-Flow Piston
- Thinned CNC 6061 Floating Piston
- SAE9254 Cold-Wound Springs
- Polyurethane Oil Seals
- Multi-Thickness Valving Shims
- Low-Gas Pressure Design
- 7.5w Compounded Suspension Fluid
- Fully Rebuildable Coilover Assembly
⚙️ Factory Spring Rates:
Front: 8K | Rear: 6K
📧 International Orders: For global shipping inquiries, email info@riactionshocks.com
Upgrade your NB Miata with Riaction coilovers—built for road balance and real performance.
Our History
For 26 years Speedzone Performance LLC has been providing aftermarket car parts to Central Floridians and 1000's of customers online. What makes us different than all the other places online? We have 3 actual brick and mortar locations where were serve customers daily and find new ways to provide support and assistance to the automotive community at large. From our in house SPDZ1 Brand, to our constantly growing in stock inventory, we strive to make our customer service and ease of purchase stand out from the rest! We are also one of the largest automotive part financing providers anywhere in the United States, and continue to provide more options for our customers every year. We love what we do, and it shows in every product we sell and every new customer who becomes a part of our Speedzone Family.