How does the R3 justify the step up from the R1 on the R32 GT-R?

The R1 uses a single combined adjuster for compression and rebound. The R3 separates high speed compression, low speed compression, and rebound into three independent circuits with 16, 26, and 24 clicks respectively. On a platform as capable and setup-sensitive as the R32, that separation lets you address a specific handling characteristic without affecting everything else at once; you can tune for a particular circuit or surface without the adjustment trade-offs that come with a combined system.

Why is the front spring rate significantly stiffer than the rear on the R32 GT-R?

The R32 carries most of its weight over the front axle due to the RB26 engine placement. The spring rate split reflects that weight distribution directly; running equal rates front and rear on the R32 would produce a chassis that understeers under load and doesn't respond predictably at the limit.

How does separating high and low speed compression change what you can do with the setup on the R32?

High speed compression controls how the damper responds to sharp, sudden inputs; curbs, bumps, surface changes. Low speed compression governs body motion through corners, braking, and acceleration. Adjusting them independently means you can address one without disrupting the other, giving you the precision to dial in a specific characteristic at a specific circuit without unintended consequences elsewhere in the setup.

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Description

Nitron NTR-R3 Coilover Kit for R33 Nissan Skyline GT-R

The R33 Nissan Skyline GT-R sits on a platform with genuine motorsport capability, and the Nitron NTR-R3 is built for drivers and engineers who want to take full advantage of what that chassis is genuinely capable of. Independent 3-way damping adjustment with separate high and low speed compression control gives the range needed to properly dial the car in across different circuits and conditions. Piggyback reservoirs are fitted front and rear, keeping high and low speed compression adjustment accessible at both ends without adding complexity to the installation. 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. 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.

Unique Technology

Nitron builds every shock from precision components that go through a thorough design and development process well 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, with quality control running 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 R33 Nissan Skyline GT-R; 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 the R33 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

Piggyback reservoir type
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, and top mounts
Hand made to order

Specifications

Coilover Type: NTR-R3
Adjustment Type: 3-way independent
Adjustment: 16 clicks of high compression / 26 clicks of low compression / 24 clicks of rebound
Reservoir Type: Piggyback
Rear Suspension Types: OEM
Droplinks Included: No

Applications

Nissan Skyline GT-R: R33 | 1995-1998

Other Suspension Kits for R33 GT-R

Notes

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 the R3 justify the step up from the R1 on the R33 GT-R? The R1 uses a single combined adjuster for compression and rebound. The R3 separates high speed compression, low speed compression, and rebound into three independent circuits with 16, 26, and 24 clicks respectively. On a platform as capable and setup-sensitive as the R33, that separation lets you address a specific handling characteristic without affecting everything else at once; you can tune for a particular circuit or surface without the adjustment trade-offs that come with a combined system.
How does separating high and low speed compression change what you can do with the setup on the R33? High speed compression controls how the damper responds to sharp, sudden inputs; curbs, bumps, surface changes. Low speed compression governs body motion through corners, braking, and acceleration. Adjusting them independently means you can address one without disrupting the other, giving you the precision to dial in a specific characteristic at a specific circuit without unintended consequences elsewhere in the setup.
How does the R33 GT-R’s weight distribution factor into the spring rate setup? The R33 carries significant weight over the front axle due to the RB26 engine placement. The spring rate split is calibrated around that from the start of Nitron’s development process; the front runs stiffer than the rear to keep the chassis balanced and responsive rather than prone to understeer under load.

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 for R33 Nissan Skyline GT-R [NTCNI011R3]

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Nitron NTR-R3 Coilover Kit for R33 Nissan Skyline GT-R

Unique Technology

Bespoke Engineering

Features

Specifications

Applications

Other Suspension Kits for R33 GT-R

Notes

Frequently Asked Questions

About Nitron Suspension

Reviews