Why do the Nitron Front Adjustable Top Plates use no rubber components?

Rubber deflects under load, which means camber and caster settings dialed in on the alignment rack can shift when the car is working hard on circuit. The Nitron Front Adjustable Top Plates eliminate rubber from the design entirely, so geometry holds under the lateral and braking forces the GT2, GT2 RS, GT3, and GT3 RS generate in real driving conditions, not just when the car is sitting static on the alignment rack.

What spring diameter do the Nitron Front Adjustable Top Plates accept?

These top plates are suitable for use with smaller diameter motorsport springs only. They are not compatible with standard OEM spring diameters.

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Description

Nitron Front Adjustable Top Plates for 997 Porsche 911 GT2 / GT2 RS / GT3 / GT3 RS

The factory top mounts on the 997 Porsche 911 GT2, GT2 RS, GT3, and GT3 RS weren’t designed with serious geometry adjustment in mind. They handle road use well enough, but when the driving moves to the circuit and alignment settings need to be dialed in with precision, the limitations show up quickly. The Nitron Adjustable Front Top Plates are built specifically for that kind of work; machined from high-grade aluminium with Nitron’s titanium grey anodized finish, they provide independent camber and caster adjustment with no rubber components in the design. That matters on track because rubber deflects under load, which means geometry settings that look correct on the alignment rack don’t stay that way when the car is working hard. On the GT3, GT3 RS, GT2, and GT2 RS, where front geometry directly shapes corner entry balance, trail braking response, and how the chassis handles the power these variants put down, that distinction carries significant weight. Positive location and adjustment systems keep settings where they’re set, session after session. Supplied as a pair and compatible with smaller diameter motorsport springs only.

Bespoke Engineering

Nitron doesn’t adapt a generic top plate to fit the 997 Porsche 911 GT2, GT2 RS, GT3, and GT3 RS; they engineer one around each platform. Every application goes through a dedicated development process where adjustment range, location systems, and material choices are shaped by the specific variant, not carried over from something similar enough to work. The geometry requirements and suspension characteristics of each model are part of the design from day one, not accommodated after the fact. That’s the difference between a top plate that fits a car and one that was purpose-built for it.

Features

Independent camber and caster adjustment
No rubber components
Positive location and adjustment systems
High-grade aluminium construction
Titanium grey anodized finish
Supplied as pairs

Applications

Porsche 911 GT2: 997.1 | 2007-2008
Porsche 911 GT2 RS: 997.2 | 2010-2011
Porsche 911 GT3: 997.1, 997.2 | 2006-2008, 2010-2012
Porsche 911 GT3 RS: 997.1, 997.2 | 2007-2008, 2010-2012

Notes

Supplied as pairs
Suitable only for use with smaller diameter motorsport springs
Designed only to be used with Nitron coilovers; modification may be required for them to be used with other manufacturers shock absorbers
Images used for illustration purposes only. Specific details, finishes and end fittings may differ from that shown.

Frequently Asked Questions

Why do the Nitron Front Adjustable Top Plates use no rubber components? Rubber deflects under load, which means camber and caster settings dialed in on the alignment rack can shift when the car is working hard on circuit. The Nitron Front Adjustable Top Plates eliminate rubber from the design entirely, so geometry holds under the lateral and braking forces the GT2, GT2 RS, GT3, and GT3 RS generate in real driving conditions, not just when the car is sitting static on the alignment rack.
What spring diameter do the Nitron Front Adjustable Top Plates accept? These top plates are suitable for use with smaller diameter motorsport springs only. They are not compatible with standard OEM spring diameters.

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 Front Adjustable Top Plates for 997 Porsche 911 GT2 / GT2 RS / GT3 / GT3 RS [NTCPO023TPF]

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Nitron Front Adjustable Top Plates for 997 Porsche 911 GT2 / GT2 RS / GT3 / GT3 RS

Bespoke Engineering

Features

Applications

Notes

Frequently Asked Questions

About Nitron Suspension

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