Fortune Auto 2015-2023 Ford Mustang (S550) 500 Series Coilovers
510 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.
Key Features
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Fully adjustable coilover system for S550 Mustang (2015–2023)
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Digressive piston technology for responsive handling and improved ride quality
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Height adjustable without affecting preload
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Premium, hand-assembled construction—rebuildable and upgradeable
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Ideal for street, track, and show applications
or as low as $164.83/mo with Affirm
★ Factory-ProvenWE DON'T JUST SELL IT. WE RUN IT.
This exact Fortune Auto 500 Series setup is what our 650 HP professional drift-car EcoBoost Mustang rides on right now — freshly installed by the FFP crew and already getting abused on track. We only sell the parts that survive our own car.
See the Full Build →Fortune Auto 500 Series Coilovers
Single-adjustable monotube for the 2015-2023 Mustang S550 — the entry into the Fortune Auto-verse, built around the High Flow Digressive™ piston. Custom. Modular. Rebuildable.
Buy once. Never buy coilovers again.
Fortune Auto engineers are consistently chasing improvement, and the Generation 8 500 Series is the proof. Every set is hand-assembled to your order, dyno-tested with a printed curve, and built on a platform you can rebuild, revalve and upgrade instead of replace — all at their facility in Richmond, Virginia.
The S550 application ships at 7K front / 16K rear (Swift rear spring standard) and includes front endlinks. Want different rates for your build? Call 805-267-9762 — it’s built to order anyway.
Street vs. Track — why digressive wins
Race-track R&D tuned for the street: optimized for comfort, reliability and longevity. Rides like a quality OEM sport setup — until you ask for more.
Stiff low-speed compression and rebound control roll, dive and squat — while fast shaft speeds stay supple over curbs and bumps for maximum grip.
What every 500 Series ships with
- High Flow Digressive™ piston technology
- FA synthetic shock oil
- Custom-built & shock-dyno tested in the USA
- T6-6061 aluminum mounts & front camber plates
- Koyo Japan radial bearing mounts
- Premium chrome silicon springs w/ locking perches
- Fully rebuildable & revalveable (Richmond, VA)
- Modular — upgradeable to 2-way / 3-way canister
High Flow Digressive™ piston
The force/velocity curve says it all: strong low-speed force for body control, then the curve flattens so fast hits stay supple. That’s the digressive advantage.
Anatomy of the 500
In the box & on the bench
Specifications
- Damper
- Monotube, high-pressure nitrogen
- Adjustment
- 24-step (single-adjustable)
- Piston
- High Flow Digressive™
- Oil
- FA synthetic shock oil
- Mounts
- T6-6061 + front camber plates
- Bearings
- Koyo Japan radial
- S550 Rates
- 7K front · 16K rear (Swift)
- Includes
- Front endlinks
- Build
- Custom order · dyno-tested · Richmond VA
- Service
- Rebuildable & revalveable USA
- Modularity
- 2-way / 3-way canister upgrade path
- Warranty
- 5-year limited
Spring upgrades: pick Default, Swift (+$200) or Hyperco (+$200) fronts in the dropdown above. Custom rates for your build — call 805-267-9762 before ordering.
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FREQUENTLY ASKED QUESTIONS
You'll get an instant confirmation email with your part details and invoice. We source from a network of authorized suppliers across the country, so lead times vary by brand and part type — we'll send a tracking number the moment your parts move.
Made-to-order builds — carbon fiber bodywork, fabricated systems, custom finish work — run longer than off-the-shelf items because they're built per order. You'll get progress updates throughout the build.
Need a specific timeline on a part before you buy? Call 805-267-9762 or hit the chat — we'll check vendor stock direct and give you a straight answer.
Absolutely! Once your order ships, you'll get an email with a tracking link so you can follow its journey from our shop to your doorstep.
If your order ships via freight, you'll get a separate email with a direct link to the carrier's tracking page — easy and stress-free.
Things happen on the road — even to boxes. If your order arrives damaged, snap a few clear photos of the box and product and send them our way right away.
If your shipment is lost, just email or call us — we'll help track it down and guide you through the next steps to make it right.
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