Nitron NTR-R1 Coilover Kit for 952 Alfa Romeo Giulia Quadrifoglio

The Alfa Romeo Giulia Quadrifoglio arrives from the factory with genuine performance credentials, but the stock suspension still leaves room on the table when the road tightens up or a track day pushes the car harder than daily driving ever does. The Nitron NTR-R1 coilover kit for the 952 Giulia Quadrifoglio addresses that directly with precision-engineered, combined 2-way damping adjustment drawn from the R3 race platform, sharing core components with a kit developed for professional competition. There’s no remote canister to package around, and every unit is individually hand-built with ultra-low friction components that hold damping consistent and fade-resistant whether the car is on the street or deep into a circuit session. Hard-anodised titanium finish parts and high-grade materials keep corrosion out and weight in check, and with each kit custom built, custom sprung, and fully serviceable, it’s an investment that holds up well beyond a single season.

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 vehicle shape the design from the start, not as corrections added later. That’s what separates a kit engineered for your car from one that was simply made to fit it.

Features

• Internal reservoir type
• 2-way combined adjustment
• Full alloy body
• Preload adjuster
• Combined 24 clicks of adjustment
• Nitrogen gas charged
• Precision bearing spacers supplied as required
• Consists of 4 coilovers and top mounts
• Hand made to order

Specifications

• Coilover Type: NTR-R1
• Adjustment Type: 2-way combined
• Adjustment: 24 clicks combined
• Rear Suspension Type: OEM
• Droplinks Included: No
• Recommended Spring Rates:
  • FRS – Fast Road Spec:
    • Front: 550lbs/inch (96N/mm)
    • Rear: 508lbs/inch (89N/mm)
  • TDS – Track Day Spec:
    • Front: 750lbs/inch (131N/mm)
    • Rear: 508lbs/inch (89N/mm)

Applications

• Alfa Romeo Giulia Quadrifoglio: 952 | 2016-present

Other Suspension Kits for the Alfa Romeo Giulia Quadrifoglio

• elec-TRON R1 Coilover Kit
• NTR-R3 Coilover Kit
• elec-TRON R3 Coilover Kit
• RoadSport Coilover Kit
• elec-TRON RoadSport Coilover Kit

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.
• Precision bearing spacers supplied as required
• The Nitron Electronic Damping Delete Kit is available separately for vehicles being converted from the factory electronic damping system to prevent fault codes and warning lights

Frequently Asked Questions

• What spring rate options are available for the Giulia Quadrifoglio NTR-R1 kit? Two specs are recommended by Nitron and offered as standard options. The Fast Road Spec runs 550lbs/inch (96N/mm) front and 508lbs/inch (89N/mm) rear. The Track Day Spec steps up to 750lbs/inch (131N/mm) front while keeping the rear at 508lbs/inch (89N/mm). Custom spring rates are also available; contact us directly for a consultation.
• How does the 2-way combined damping adjustment work? The NTR-R1 uses a single adjuster controlling both bump and rebound together across 24 clicks of combined adjustment. This keeps setup straightforward without sacrificing the ability to meaningfully tune the damping character for different road conditions or track surfaces.
• What other suspension options are available for the Alfa Romeo Giulia Quadrifoglio? Nitron offers several kits for the 952 Giulia Quadrifoglio depending on your performance goals; the elec-TRON R1, NTR-R3, elec-TRON R3, RoadSport, and elec-TRON RoadSport. Each targets a different level of adjustment and use case, from street-focused setups to full race configurations.
• Are droplinks included with the kit? No, droplinks are not included. The kit consists of four coilovers and top mounts covering front and rear, with precision bearing spacers supplied as required.
• Is the Nitron NTR-R1 serviceable after purchase? Yes. Every NTR-R1 kit is fully serviceable. Nitron hand-builds each unit to order, and the design supports long-term maintenance rather than requiring full replacement when performance eventually needs refreshing.

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.