Riaction KIA STINGER (17+) 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
Take control of your Kia Stinger’s suspension with Riaction kia stinger coilovers, engineered to enhance handling, improve ride quality, and deliver the aggressive stance you’re after. Designed for daily driving, spirited backroad runs, and everything in between, this setup offers customizable ride dynamics at your fingertips.
With 32 levels of damping and full-length ride height adjustment, you’ll be able to dial in your perfect balance of comfort and performance. Premium materials and precision manufacturing ensure every mile feels solid, stable, and responsive—on the street or the track.
Now for a limited time—save $50 when bundling our optional Rear Billet Top Mount, designed for improved strength and rear shock support.
Each kit is backed by our standard 2-year warranty against manufacturer defects.
🔧 Coilover Features:
-
Full-Length Ride Height Adjustment
-
32 Damping Adjustment Levels
-
Seamless 52mm Electroplated Carbon Steel Shock Body
-
Mono-Tube Damper Design
-
20mm Piston Rod (McPherson Suspension)
-
14mm Piston Rod (Non-McPherson Suspension)
-
44mm High-Flow CNC 6061 Aluminum Piston
-
Thinned CNC 6061 Aluminum Floating Piston
-
SAE9254 Cold-Wound Spring
-
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: 10K
📞 International Orders:
For global shipping, please contact us at 626.532.8788.
📢 Limited Offer:
Get $50 off when you add our Rear Billet Top Mount upgrade—a must-have for high-performance Stinger builds.
Riaction kia stinger coilovers deliver refined handling, tailored ride height, and confidence-inspiring control—on your terms.
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.