What is the difference between this kit and the elec-TRON R3 with OEM Hydraulic FAL Integration?

The NTR-R3 with OEM Hydraulic FAL Integration is a non-electronic kit with manual 3-way independent damping adjustment and requires the Nitron Electronic Damping Delete Kit. The elec-TRON R3 version adds proportional solenoid valve electronic damping control through PASM alongside the manual compression adjustment, with no additional products needed. Both integrate directly with the factory hydraulic front axle lift system.

What are the dry break quick disconnects on the front reservoirs for?

The dry break quick disconnects allow the front hose reservoirs to be removed quickly and cleanly without fluid loss, a practical detail on a car that sees regular service between track sessions. Dry break quick disconnects are also available as an optional add-on for the rear reservoirs.

What does 3-way independent adjustment mean on the NTR-R3?

High speed compression, low speed compression, and rebound are each controlled by a separate adjuster. The NTR-R3 offers 16 clicks of high speed compression, 26 clicks of low speed compression, and 24 clicks of rebound, giving a wide tuning range that can be dialed in independently without one setting affecting another.

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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Shipping policy

BP PRICING DIFFERENCE

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Description

Nitron NTR-R3 Coilover Kit with 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 already arrive with suspension tuned well beyond a standard 911, but that baseline doesn’t close the gap when the driving gets serious. The Nitron NTR-R3 Coilover Kit with OEM Hydraulic FAL Integration is built for that level of development work; independent 3-way damping adjustment with separate high and low speed compression control gives drivers and engineers the range needed to properly dial the car in across different circuits and conditions. 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. A large diameter piston and ultra-strong piston rod sit at the core of the design, providing the damping control and feedback that serious setups depend on. Both front and rear units run hose-mounted reservoirs, with the front hoses featuring dry break quick disconnects for fast, clean removal without fluid loss; dry break quick disconnects are available as an optional add-on for the rear reservoirs as well. The R3 is a proven race winner with lap records across a wide range of international motorsport formulas, and every kit is custom built, custom sprung, and fully serviceable. Hard-anodized titanium finish parts and high-grade materials keep corrosion out and weight in check, so the dampers maintain their performance standard season after season.

Specialized Bi-Axis Hose Fittings

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

Unique Technology

Nitron builds every shock from 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 cutting corners on part quality or how components perform together under load. Everything is machined to tight tolerances and inspected individually by trained technicians; that quality control runs through every stage of production rather than being concentrated at the end. New materials, finishes, and processes are validated extensively before adoption, with proprietary Nitron technologies integrated throughout to produce shocks that consistently hold up against the competition on road and track. That engineering standard is what 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 991.1 R and 991.2 GT2 RS, GT3, and GT3 RS; they engineer one around it. Every application goes through a dedicated development process where components, spring rates, and damping characteristics are determined by the specific platform, not borrowed from something close enough. The geometry, weight distribution, and suspension travel of these variants are part of the design from the beginning, not corrections introduced later. That’s the difference between suspension that works with a car and suspension that was developed for it.

Features

Factory hydraulic FAL (front axle lift) integration
Hose reservoir type
Front hose dry break quick disconnects (and optional add-on for rears)
16 clicks of high compression
26 clicks of low compression
24 clicks of rebound
Preload adjuster
3-way independent adjustment
Full alloy body
Consists of 4 coilovers, reservoirs, hoses, and top mounts
Hand made to order

Specifications

Coilover Type: NTR-R3 with OEM hydraulic FAL integration
Adjustment Type: 3-way independent
Adjustment: 16 clicks of high compression / 26 clicks of low compression / 24 clicks of rebound
Reservoir Type: Hose
Rear Suspension Type: OEM
Droplinks Included: No
Recommended Spring Rates:
- FRS – Fast Road Spec:
  - Front: 571lbs/inch (100N/mm)
  - Rear: 971lbs/inch (170N/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

The NTR-R1 is a non-electronic coilover kit, and all 991 GT3, GT3 RS, GT2 RS, and R models come equipped with Porsche Active Suspension Management (PASM) from the factory. Fitting this kit without addressing that system will typically trigger fault codes and warning lights, so the Nitron Electronic Damping Delete Kit is required alongside the NTR-R1 on all of these variants to work properly.
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 this kit and the elec-TRON R3 with OEM Hydraulic FAL Integration? The NTR-R3 with OEM Hydraulic FAL Integration is a non-electronic kit with manual 3-way independent damping adjustment and requires the Nitron Electronic Damping Delete Kit. The elec-TRON R3 version adds proportional solenoid valve electronic damping control through PASM alongside the manual compression adjustment, with no additional products needed. Both integrate directly with the factory hydraulic front axle lift system.
What are the dry break quick disconnects on the front reservoirs for? The dry break quick disconnects allow the front hose reservoirs to be removed quickly and cleanly without fluid loss, a practical detail on a car that sees regular service between track sessions. Dry break quick disconnects are also available as an optional add-on for the rear reservoirs.
What does 3-way independent adjustment mean on the NTR-R3? High speed compression, low speed compression, and rebound are each controlled by a separate adjuster. The NTR-R3 offers 16 clicks of high speed compression, 26 clicks of low speed compression, and 24 clicks of rebound, giving a wide tuning range that can be dialed in independently without one setting affecting another.
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 NTR-R3 Coilover Kit with OEM Hydraulic FAL Integration for 991.1 Porsche 911 R / 991.2 GT2 RS, GT3, and GT3 RS [NTCPO036R3+OEI]

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Nitron NTR-R3 Coilover Kit with OEM Hydraulic FAL Integration for 991.1 Porsche 911 R / 991.2 GT2 RS, GT3, and GT3 RS

Specialized Bi-Axis Hose Fittings

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