What is the difference between the elec-TRON R1 and the elec-TRON R3?

Both use Nitron's proportional solenoid valve and require the DSC Sport V1 Controller, but the R3 adds independent manual compression adjustment on top of the electronic damping control. That means drivers and engineers have simultaneous control over both the active and mechanical sides of the damping setup, with separate high and low speed compression circuits that can be dialed in independently alongside the continuous electronic adjustment.

Is the DSC Sport V1 Controller included, and is it required?

The DSC Sport V1 Controller is not included but is required for the system to operate. It replaces the factory shock controller and interfaces directly with the factory dash display and controls, processing brake pressure, g-force, acceleration, steering inputs, and vehicle speed simultaneously to determine the correct damping level at any given moment. Without it, the elec-TRON shocks cannot function as intended.

What is the difference between the coilover and divorced rear suspension configurations?

The coilover configuration combines the spring and damper into a single unit, keeping things compact and workable for road and general track use. The divorced configuration separates the two, allowing independent positioning and tuning; the preferred route for dedicated race builds where geometry optimization and setup flexibility take priority over installation simplicity.

Can I run custom spring rates?

Yes. Recommended rates are available for Fast Road Spec and Track Day Spec configurations where data is available, but custom spring rates are available on request.

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Description

Nitron elec-TRON R3 Coilover Kit for S550 Ford Mustang Shelby GT350 / GT500

The Nitron elec-TRON R3 Coilover Kit for the S550 Mustang GT350 and GT500 takes the elec-TRON platform a step further than the R1, combining Nitron’s proportional solenoid valve electronic damping control with independent manual compression adjustment so drivers and engineers have control over both the active and mechanical sides of the damping setup simultaneously. The Nitron elec-TRON DSC Sport V1 Controller is required for the system to operate and is sold separately; it processes brake pressure, g-force, acceleration, steering inputs, and vehicle speed simultaneously to determine the correct damping level at any given moment. Piggyback reservoirs are fitted at the front and hose reservoirs at the rear, keeping independent high and low speed compression adjustment accessible at both ends alongside the electronic control. Coilover and divorced rear suspension configurations are both available, and droplinks are included so the installation is complete without sourcing additional hardware. The kit is built for drivers who want to extract the most from the GT350 and GT500 on road or track without leaving performance on the table. Every kit is custom built, custom sprung, and fully serviceable.

elec-TRON

Nitron’s elec-TRON system is built around a proprietary proportional solenoid valve fitted to each shock individually, giving the DSC Sport V1 precise, independent damping control at every corner of the car. G-load, vehicle speed, road conditions, and driver inputs are all monitored simultaneously, with damping adjustments made every 5 milliseconds. A human eye blink takes somewhere between 100 and 150 milliseconds; the elec-TRON system is working at a fraction of that. The suspension is responding to the road and the driver in real time, not reacting after the fact.

Standalone Electronic Damping System

The Nitron DSC Sport V1 Controller is a required component for the elec-TRON R3 on the S550 Mustang GT350 and GT500, sold separately. It processes brake pressure, g-force, acceleration, steering inputs, and vehicle speed simultaneously, using full individual shock calibration tables to determine the correct damping level at any given moment. The result is a fully user-definable suspension platform that can be tuned with the same precision you’d apply to an engine; dialing in more mechanical grip for the track or softening the setup for daily road use.
- Replaces factory shock controller
- Interfaces with factory dash display and controls
- Calculations include brake pressure, g-force, acceleration, steering, speed and full individual shock calibration tables

Specialized Bi-Axis Hose Fittings

Nitron R3 hose shocks use Nitron’s own 720-degree Bi-Axis fittings exclusively; a proprietary design that makes for clean, precise installation without the compromises that come with conventional end fittings.

Unique Technology

Nitron starts every shock with precision components that go through a thorough design and development process long before final assembly. The modular construction gives engineers the flexibility to approach each application on its own terms, without compromising part quality or how components perform together under real load. Everything is machined to tight tolerances and inspected individually by trained technicians; that standard of quality control runs through every stage of production, not just the end of it. New materials, finishes, and processes go through extensive validation before they’re adopted, with proprietary Nitron technologies built in throughout to produce shocks that consistently hold up against the competition on road and track. That’s the engineering foundation the brand has been built on since 1998.
- Basic Damper Design:
  1. End Eye / Top Mount
  2. Damper Piston & Shim Stack
  3. Shaft / Rod
  4. Floating / Separator Piston
  5. Suspension Oil
  6. Compressed Nitrogen Gas

Bespoke Engineering

Nitron doesn’t adapt a generic damper to fit the S550 Mustang GT350 and GT500; they engineer one around each platform. Every application goes through a dedicated development process where components, spring rates, and damping characteristics are shaped by the specific platform, not carried over from something similar enough to work. The geometry, weight distribution, and suspension travel of each variant are part of the design from day one, not corrections introduced later. That’s the difference between suspension that works with a car and suspension that was purpose-built for it.

Features

Piggyback & hose reservoir types
Coilover or divorced rear suspension types
No manual damping adjustments are required, fully controlled by the solenoid valve
Preload adjuster
Full alloy body
Uses foot bracket for 11-inch wheel sizes
Consists of 4 coilovers, reservoirs, hoses, adjustable top mounts, and droplinks
Hand made to order

Specifications

Coilover Type: elec-TRON R3
Reservoir Type:
- Front: Piggyback
- Rear: Hose
Rear Suspension Type:
- Coilover
- Divorced
Droplinks Included: Yes
Recommended Spring Rates:
- FRS – Fast Road Spec:
  - Front: 628lbs/inch (110N/mm)
  - Rear:
    - Coilover: Data not available
    - Divorced: 900lbs/inch (158N/mm)
- TDS – Track Day Spec:
  - Front: 799lbs/inch (140N/mm)
  - Rear:
    - Coilover: Data not available
    - Divorced: 1000lbs/inch (175N/mm)

Applications

Ford Mustang Shelby GT350: S550 | 2015-2020
Ford Mustang Shelby GT500: S550 | 2020-2022

Other Suspension Kits for S550 Shelby GT350 / GT500

Notes

Fitment not confirmed on GT350R models
This kit requires the Nitron elec-TRON DSC Sport V1 Controller to work; it can be purchased separately if desired
Uses foot bracket for 11-inch wheel sizes
Custom spring rates also available, please contact us directly here for more information or for a consultation on custom rates
Images used for illustration purposes only. Specific details, finishes and end fittings may differ from that shown.

Frequently Asked Questions

What is the difference between the elec-TRON R1 and the elec-TRON R3? Both use Nitron’s proportional solenoid valve and require the DSC Sport V1 Controller, but the R3 adds independent manual compression adjustment on top of the electronic damping control. That means drivers and engineers have simultaneous control over both the active and mechanical sides of the damping setup, with separate high and low speed compression circuits that can be dialed in independently alongside the continuous electronic adjustment.
Is the DSC Sport V1 Controller included, and is it required? The DSC Sport V1 Controller is not included but is required for the system to operate. It replaces the factory shock controller and interfaces directly with the factory dash display and controls, processing brake pressure, g-force, acceleration, steering inputs, and vehicle speed simultaneously to determine the correct damping level at any given moment. Without it, the elec-TRON shocks cannot function as intended.
What is the difference between the coilover and divorced rear suspension configurations? The coilover configuration combines the spring and damper into a single unit, keeping things compact and workable for road and general track use. The divorced configuration separates the two, allowing independent positioning and tuning; the preferred route for dedicated race builds where geometry optimization and setup flexibility take priority over installation simplicity.
Can I run custom spring rates? Yes. Recommended rates are available for Fast Road Spec and Track Day Spec configurations where data is available, but custom spring rates are available on request.

About Nitron Suspension

Nitron Suspension has been at the forefront of precision suspension engineering since 1998, founded by Guy Evans with the goal of building high-performance shocks for enthusiasts and professionals alike. Over 200 dealers now carry Nitron products across Europe, Asia, the US, Australasia, and Africa. In 2008, the company moved into a dedicated facility in the UK’s Motorsport Valley, adding dynamometers, 5-axis CNC machines, and 3D CAD capabilities to support both growing demand and continued product development. A second expansion came in 2023 with a new office in Murrieta, California. The team behind every Nitron product draws from deep backgrounds in machining, materials technology, hydraulics, bike engineering, and F1 racing, with many engineers bringing firsthand experience as competitive drivers and riders. That depth of knowledge across both the technical and competitive sides of motorsport shapes every product Nitron develops.

Additional Information

The Bulletproof Automotive website contains many thousands of products purchased in multiple different currencies. All of the prices are entered manually and accurately at the time of entry. Due to the consistently fluctuating international exchange rates, at times prices may not be able to be honored at their original intended rate. We apologize for any inconvenience this may cause, unfortunately our website is unable to compensate dynamically for what can at times be volatile changes in the cost of items due to currency values fluctuating, changes in prices from suppliers, changes in shipping and import duties, and other factors. Rest assured that any order you place on line will be at zero risk to you in this area. If in the event your order cannot be fulfilled at the original intended website price we will offer you a 100% refund, no questions asked. We will continue to do our best to maintain updated prices and we will always continue to offer our price match guarantees as well to ensure our prices are always the best for you. In short, prices may change without notice. It is always advised to give us a call prior to placing your order online to confirm availability and to confirm current pricing.

Shipping Policy

Items that are in stock in the US, either at Bulletproof’s warehouse or at a supplier’s warehouse, are generally delivered within 7-10 days. Special order items from overseas take considerably longer. As a courtesy Bulletproof offers delivery estimates to our customers which take into consideration manufacturer availability and shipping schedule. These estimates represent our best guess based on previous orders from the manufacturer and do not in any way imply a guaranteed delivery window. Many manufacturers work in a “just in time” inventory system and often take 2-20+ weeks to produce an item once an order is submitted. All deliverable items are then sent to our Japanese warehouse. Bulletproof ships a minimum of one full ocean freight container every month from Japan, oftentimes more than one a month. Ocean freight takes an average of 4 weeks. Typically it breaks down to one week in Japan for paperwork and customs, two weeks by boat and one week in US customs/clearance. Due to the wide number of variables between manufacturer and shipping schedules, delivery estimates are simply just that – estimates. We attempt to estimate conservatively and we usually deliver faster than our estimates suggest. It is not Bulletproof’s policy to guarantee delivery time of any special order item, this is impossible for us to do. By ordering you acknowledge that there is no required delivery ETA and an order may not be canceled or altered due to manufacturing or shipping delays, all ETA’s are provided as a best guess only. Please review the full Terms & Conditions here.

BP Pricing Difference

We do pricing a little differently on our JDM brands and we believe in making things simple and clear. No hidden fees or surcharges. Every price you see includes the shipping cost to our office in Los Angeles, California and all the associated taxes/duties/fees for bringing the products into the US. The only shipping you ever pay is from our facility in the US to your location. Be wary of resellers that don’t include the cost of international shipping in their pricing on JDM parts. While we believe we’ll always have the lowest all-in price on JDM products, we offer a price match guarantee for all authentic parts purchased from authorized dealers as well. For many international customers, it’s much more affordable to ship from the USA than from Japan directly, as the air freight and ocean freight costs are typically much less. However, for customers looking to ship directly from Japan outside of North America, or domestically in Japan, we can provide pricing specifically for that scenario. Please do not hesitate to contact us with any pricing questions or concerns. Please email us at sales@bulletproofautomotive.com with any inquiries.

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Nitron elec-TRON R3 Coilover Kit for S550 Ford Mustang Shelby GT350 / GT500 [NTCFO021ER3]

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Nitron elec-TRON R3 Coilover Kit for S550 Ford Mustang Shelby GT350 / GT500

elec-TRON

Standalone Electronic Damping System

Specialized Bi-Axis Hose Fittings

Unique Technology

Bespoke Engineering

Features

Specifications

Applications

Other Suspension Kits for S550 Shelby GT350 / GT500

Notes

Frequently Asked Questions

About Nitron Suspension

Reviews