How does this kit differ from the standard elec-TRON R1?

This version is built specifically for cars where retaining the factory hydraulic front axle lift system is a requirement. Rather than replacing the OEM FAL cylinders, the kit integrates directly with them so the hydraulic lift hardware stays in place and continues to function as designed. The damping hardware and PASM integration are identical to the standard elec-TRON R1.

Does this kit require any additional products to work with PASM?

No. The elec-TRON R1 with OEM Hydraulic FAL Integration is a direct bolt-in replacement that integrates with the existing PASM system without any modification or additional controller. PASM and the hydraulic front axle lift system both continue to operate exactly as designed.

What is the difference between this kit and the NTR-R1 with OEM Hydraulic FAL Integration?

The NTR-R1 with OEM Hydraulic FAL Integration is a non-electronic kit with manual combined 2-way damping adjustment and requires the Nitron Electronic Damping Delete Kit. This elec-TRON R1 version retains full electronic damping control through PASM with no additional products needed. Both integrate with the factory hydraulic front axle lift system.

How does the electronic damping control work on this kit?

Each shock carries its own proportional solenoid valve, giving PASM precise, independent damping control at every corner simultaneously. The system processes brake pressure, g-force, acceleration, steering inputs, and vehicle speed in real time, adjusting damping as conditions change rather than responding after the fact.

Is this kit serviceable?

Yes. Every unit is hand-built to order and fully serviceable, meaning the kit can be rebuilt and re-valved rather than replaced when it eventually needs attention.

Description

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BP PRICING DIFFERENCE

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Description

Nitron elec-TRON R1 Coilover Kit w/ OEM Hydraulic FAL Integration for 991.1 Porsche 911 R / 991.2 GT2 RS, GT3, and GT3 RS

The 991 Porsche 911 GT2 RS, GT3, GT3 RS, and R are platforms that respond well to a properly developed suspension setup, and the Nitron elec-TRON R1 Coilover Kit with OEM Hydraulic FAL Integration brings electronic damping control through Nitron’s proportional solenoid valve, managed directly by the car’s existing PASM system. No additional controller is required; the kit integrates with PASM as it sits, so nothing is lost from the factory interface. Built specifically for cars where retaining the hydraulic front axle lift system is a requirement, this kit integrates directly with the OEM FAL cylinders rather than replacing them; the factory hydraulic lift hardware stays in place and continues to function as designed. The kit includes adjustable top mounts and race springs, covering the same broad adjustment range as the R3 without the independent compression adjustment and remote reservoirs. The hardware traces directly back to the R3 platform, so what you’re getting is proven race-derived componentry packaged into a more accessible, straightforward setup; one that works particularly well on these variants, where the chassis dynamics and engineering foundation already provide a strong base and the suspension just needs to keep up with precision rather than complexity.

elec-TRON

The elec-TRON R1 uses Nitron’s proportional solenoid valve fitted to each shock individually, with all damping managed directly through the car’s existing PASM system. Each shock carries its own valve, giving PASM precise, independent damping control at every corner simultaneously. The system processes brake pressure, g-force, acceleration, steering inputs, and vehicle speed all at once, making damping adjustments in real time. The suspension is reacting to what the road and the driver are doing as it happens, not catching up after the fact.

Integration with OEM Electronic Systems

The Nitron elec-TRON R1 with OEM Hydraulic FAL Integration goes in as a direct bolt-in replacement on these variants, picking up the existing PASM integration without any modification needed. Factory functionality stays intact; PASM and the hydraulic front axle lift system continue to operate exactly as designed, with significantly more capable damping hardware now doing the actual work.

Unique Technology

Nitron builds every shock around precision components that go through a thorough design and development process long before final assembly. The modular construction gives engineers the room to develop each application properly on its own terms, without cutting corners on part quality or how components work together under load. Everything is machined to tight tolerances and inspected individually by trained technicians; quality control isn’t a final step here, it runs through the entire process. New materials, finishes, and processes are validated extensively before they’re brought into production, with proprietary Nitron technologies woven throughout to produce shocks that hold up against the competition on both road and track. That level of engineering discipline is what the brand has been built on.
- 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 start with a generic damper and work backward from there. Every application is developed from the ground up, with components, spring rates, and damping characteristics determined by the specific platform rather than borrowed from something adjacent. The geometry, weight distribution, and suspension travel of the 991 GT2 RS, GT3, GT3 RS, and R shape the design from the start, not as corrections added later. That’s what separates a kit engineered for these cars from one that was simply made to fit them.

Features

Factory hydraulic FAL (front axle lift) integration
Shares core technology with the R3 kit
No manual damping adjustments are required, fully controlled by the solenoid valve
Internal reservoir type
Full alloy body
Preload adjuster
Nitrogen gas charged
Integrates with Porsche PASM
Precision bearing spacers supplied as required
Consists of 4 coilovers and adjustable top mounts
Hand made to order

Specifications

Coilover Type: elec-TRON R1 with OEM hydraulic FAL integration
Rear Suspension Type: OEM
Droplinks Included: No
Recommended Spring Rates:
- FRS – Fast Road Spec:
  - Front: 571lbs/inch (100N/mm)
  - Rear: 913lbs/inch (160N/mm)

Applications

Porsche 911 GT2 RS: 991.2 | 2017-2019
Porsche 911 GT3: 991.2 | 2016-2019
Porsche 911 GT3 RS: 991.2 | 2018-2019
Porsche 911 R: 991.1 | 2016

Other Suspension Kits for the 991.1 R / 991.2 GT2 RS, GT3, and GT3 RS

Notes

Compatible with Porsche’s PASM system, no additional products are needed
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

How does this kit differ from the standard elec-TRON R1? This version is built specifically for cars where retaining the factory hydraulic front axle lift system is a requirement. Rather than replacing the OEM FAL cylinders, the kit integrates directly with them so the hydraulic lift hardware stays in place and continues to function as designed. The damping hardware and PASM integration are identical to the standard elec-TRON R1.
Does this kit require any additional products to work with PASM? No. The elec-TRON R1 with OEM Hydraulic FAL Integration is a direct bolt-in replacement that integrates with the existing PASM system without any modification or additional controller. PASM and the hydraulic front axle lift system both continue to operate exactly as designed.
What is the difference between this kit and the NTR-R1 with OEM Hydraulic FAL Integration? The NTR-R1 with OEM Hydraulic FAL Integration is a non-electronic kit with manual combined 2-way damping adjustment and requires the Nitron Electronic Damping Delete Kit. This elec-TRON R1 version retains full electronic damping control through PASM with no additional products needed. Both integrate with the factory hydraulic front axle lift system.
How does the electronic damping control work on this kit? Each shock carries its own proportional solenoid valve, giving PASM precise, independent damping control at every corner simultaneously. The system processes brake pressure, g-force, acceleration, steering inputs, and vehicle speed in real time, adjusting damping as conditions change rather than responding after the fact.
Is this kit serviceable? Yes. Every unit is hand-built to order and fully serviceable, meaning the kit can be rebuilt and re-valved rather than replaced when it eventually needs attention.

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 R1 Coilover Kit w/ OEM Hydraulic FAL Integration for 991.1 Porsche 911 R / 991.2 GT2 RS, GT3, and GT3 RS [NTCPO036ER1+OEI]

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Nitron elec-TRON R1 Coilover Kit w/ OEM Hydraulic FAL Integration for 991.1 Porsche 911 R / 991.2 GT2 RS, GT3, and GT3 RS

elec-TRON

Integration with OEM Electronic Systems

Unique Technology

Bespoke Engineering

Features

Specifications

Applications

Other Suspension Kits for the 991.1 R / 991.2 GT2 RS, GT3, and GT3 RS

Notes

Frequently Asked Questions

About Nitron Suspension

Reviews