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Description
Mazda Miata MX-5 (NC) 2005-2015 - 520 Series Club Racer CoiloversFortune Auto engineers found a need in the market for a capable 2 Way adjustable, prosumer Motorsports coilover system. The result? The Generation 8 520 Series Club Racer. The 520 Series double adjustable coilover is a remarkably sophisticated damper system. The compact system has a 2 Way adjustable canister that is tuned to the specific chassis. The canister is mounted directly to the shock to provide ease of installation and a more plug and play
Fortune Auto engineers found a need in the market for a capable 2-Way adjustable, prosumer Motorsports coilover system. The result? The Generation 8 - 520 Series Club Racer.
The 520 Series double adjustable coilover is a remarkably sophisticated damper system. The compact system has a 2-Way adjustable canister that is tuned to the specific chassis. The canister is mounted directly to the shock to provide ease of installation and a more plug and play system.
The 520 Series double adjustable coilover is a remarkably sophisticated damper system. The compact system has a 2-Way adjustable canister that is tuned to the specific chassis. The canister is mounted directly to the shock to provide ease of installation and a more plug and play system.
Utilizing the highly advanced, Concave Flow Digressive Piston to provide an incredibly dynamic adjustment range along with the ability to upgrade and rebuild; you‘ll never have to buy coilovers again.
AT FORTUNE AUTO, PROGRESS NEVER STOPS.
- Amsoil Synthetic Shock Oil
- Concave Flow Digressive Piston Technology™
- Custom Built – Assembly Certificate and Dyno Graph Supplied with Shocks
- 5 Year Limited Manufacturer’s Warranty
- 24-Step Rebound and 8-Step Compression Adjustable Dampers
- Monotube Damper with High Pressure Nitrogen
- T6 6061 Aluminum Mounts and Camber Plates
- Rebuildable and Revalveable at our Facility in Richmond, VA
- Modularity – Upgradeable to 2-Way or 3-Way Canister
No Revalves Necessary
The ultra wide range of adjustment offered by the CFD piston allows for the convenience of tuning your suspension without having to revalve your dampers. A conventional shock absorber can withstand a 2kg spring rate difference before requiring a revalve, whereas the Concave Flow Digressive Technology has a broad range of 8kg spring rates. This is invaluable for tuning your suspension quickly at the track on race day.
Jekyll and Hyde
The Concave Flow Digressive Piston allows for a Jekyll and Hyde personality. Lower spring rates can be stiffened up by using the wide damping range as an artificial spring rate, while higher spring rates feel much smoother. The large adjustment range contributes to a comfortable ride on the street and unyielding performance on the track, all with the twist of a single adjustment knob.
520 Series Coilovers are custom, hand-built to order. Most applications have a 4-7 week lead time. Lead times for certain applications and peak season orders may vary.
**Stock coilover photos shown. Your coilover mounts and colors may vary.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 5
Excellent dog balls — safe design and very durable
Style: Fetch Balls (Pack of 3), Size: 2.5 inch
These fetch balls from Amazon Basics are fantastic, and my dog absolutely loves them. One of the biggest reasons I prefer these over other brands is the hole that runs through the center of the ball. This is a very important safety feature: if a dog were to accidentally get the ball stuck in the back of the throat, the hole allows air to pass through. That small detail could literally make a life-saving difference.
Aside from the safety benefit, they bounce well, are easy to clean, and hold up to a lot of playtime. They’re firm but not rock-hard, and my dog goes crazy for them. Great value, great quality, and a thoughtful design.
Highly recommended for dog owners who want a safer alternative to standard solid rubber balls.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 1, 2025
★★★★★ 5
Great ball for heavy chewers
Style: Assorted Balls (Pack of 3), Size: 2.5 inch
Great toy for my Doberman. She chews through tennis balls in about 15 minutes but these are very durable. She likes to chase them but also just chew on them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
★★★★★ 5
Durable
Style: Fetch Balls (Pack of 2), Size: 3 inch
Very bouncy. I like the noise it makes when you throw it. Pretty durable. Good size. Dog loves to play with them. Good material. Easy to use.
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Reviewed in the United States on April 5, 2026
★★★★★ 4
My dog loves glowing fetch at night!
Style: Glow Balls (Pack of 3), Size: 2.5 inch
Fantastic. Sturdy. My dog loves them
Glow in the dark is great for fetch at night. I keep a flashlight with me because the glow doesn't last really long. But they charge very quickly and are really bright.
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Reviewed in the United States on February 22, 2026
★★★★★ 5
Indestructible
Style: Fetch Balls (Pack of 2), Size: 3 inch
These balls are indestructible! We have a lab and a lab mix and they CANNOT damage these balls. They love them for fetch and to just chew on them (slightly squishy, but NO damage). Best toys we have bought for them.
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Reviewed in the United States on April 19, 2026
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