The Nitron elec-TRON 3-Way RoadSport Coilover Kit for the 981 Porsche Cayman GT4 and 982 718 Cayman GT4 and GT4 RS combines 3-way independent manual damping adjustment with Nitron’s electronic solenoid valve, integrating directly with the factory PASM system with no additional controller required. Retains the OEM top mounts to preserve factory geometry and NVH, built around a large diameter piston and ultra-strong piston rod with hose-mounted reservoirs front and rear. A proven race winner with lap records across international motorsport formulas; custom built, custom sprung, and fully serviceable.

Nitron elec-TRON 3-Way RoadSport Coilover Kit for 981 Porsche Cayman GT4 / 982 718 Cayman GT4 and GT4 RS

The Nitron elec-TRON 3-Way RoadSport coilover kit for the 981 Porsche Cayman GT4 and 982 718 Cayman GT4 and GT4 RS brings race-derived 3-way damping control to the most track-focused cars Porsche has built in the Cayman line, with the added capability of Nitron’s electronic damping system integrated alongside it. Each shock carries Nitron’s proportional solenoid valve, which works directly with the factory PASM system; no additional controller is required. Unlike many motorsport coilover setups that require replacement top mounts, this kit retains the OEM top plates, preserving factory geometry, NVH characteristics, and ease of installation. The 3-way independent adjustment separates rebound from high and low speed compression on the mechanical side, built around Nitron’s class-leading large diameter piston and ultra-strong piston rod, while PASM handles overall damping in real time through Nitron’s valve hardware. Hose mounted reservoirs front and rear keep that adjustment accessible without adding complexity to the installation. The large range of adjustment and quality of feedback lets an experienced driver fully exploit what these GT4 and GT4 RS chassis are capable of. The R3 platform is a proven race winner with lap records across a wide spectrum of international motorsport formulas, and high-grade materials keep corrosion out and weight in check. Every kit is custom built, custom sprung, and fully serviceable; titanium and hard-anodized parts are hand built to last the lengthiest endurance races, season after season, and the harshest of winters.

elec-TRON

• Nitron’s elec-TRON system is built around a proprietary proportional solenoid valve fitted to each shock individually on the 981 Porsche Cayman GT4 and 982 718 Cayman GT4 and GT4 RS, working in conjunction with Porsche’s PASM electronic damping system. G-load, vehicle speed, road conditions, and driver inputs are all monitored simultaneously, with damping adjustments made every 5 milliseconds. A human eye blink takes somewhere between 100 and 150 milliseconds; the elec-TRON system is working at a fraction of that. The suspension is responding to the road and the driver in real time, not reacting after the fact.

Integration with OEM Electronic Systems

• The Nitron elec-TRON 3-Way RoadSport installs as a direct bolt-in replacement on the 981 Porsche Cayman GT4 and 982 718 Cayman GT4 and GT4 RS, integrating with Porsche’s PASM system without modification. PASM continues to operate as intended, retaining full factory damping system functionality, just with significantly more capable hardware doing the work underneath the car. No additional controller is required.

Specialized Bi-Axis Hose Fittings

• Nitron 3-Way RoadSport hose shocks use Nitron’s own 720-degree Bi-Axis fittings exclusively; a proprietary design that makes for clean, precise installation without the compromises that come with conventional end fittings.

Unique Technology

• Nitron builds every shock from precision components that go through a rigorous design and development process well before the unit reaches final assembly. The modular construction gives engineers the flexibility to work through each application properly without cutting corners on how parts are made or how they perform together under real load. Everything is machined to tight tolerances and checked individually by trained technicians; that level of quality control isn’t concentrated at the end of the process, it runs through all of it. New materials, finishes, and processes are put through extensive validation before they’re brought into production, with proprietary Nitron technologies integrated throughout to produce shocks that hold their own against the competition on road and track alike. That discipline in engineering is what the brand has stood on since day one.
  • 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 reverse engineer a fit for the 981 Porsche Cayman GT4 and 982 718 Cayman GT4 and GT4 RS. Every application is developed from scratch, with components, spring rates, and damping characteristics built around the specific platform rather than adapted from something in the same ballpark. The geometry, weight distribution, and suspension travel of each variant are factored into the design from the beginning, not addressed as afterthoughts. That’s the gap between a kit that happens to fit a car and one that was actually engineered for it.

Features

• Hose reservoir type
• 3-way independent manual adjustment
• Electronic damping control via Nitron’s proportional solenoid valve
• Integrates with Porsche PASM, no additional controller required
• 16 clicks of high compression
• 26 clicks of low compression
• 24 clicks of rebound
• Retains OEM top mounts
• Preserves factory geometry and NVH characteristics
• Large diameter piston and ultra-strong piston rod
• Preload adjuster
• Full alloy body
• Bi-Axis hose fittings
• Consists of 4 coilovers, reservoirs, and hoses
• Hand made to order

Specifications

• Coilover Type: elec-TRON 3-Way RoadSport
• 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
• Recommended Spring Rates:
  • FRS – Fast Road Spec:
    • Front: 400lbs/inch (70N/mm)
    • Rear: 514lbs/inch (90N/mm)
  • TDS – Track Day Spec:
    • Front: 514lbs/inch (90N/mm)
    • Rear: 628lbs/inch (110N/mm)

Applications

• Porsche 718 Cayman GT4: 982 | 2019-2025
• Porsche 718 Cayman GT4 RS: 982 | 2022-2025
• Porsche Cayman GT4: 981 | 2015-2016

Other Suspension Kits

• 3-Way RoadSport Coilover Kit
• 3-Way RoadSport Coilover Kit w/ OEM Hydraulic FAL Integration (982 GT4 / GT4 RS only)
• 3-Way RoadSport Coilover Kit w/ FAL Cylinders (982 GT4 / GT4 RS only)
• elec-TRON RoadSport Coilover Kit w/ OEM Hydraulic FAL Integration (982 GT4 / GT4 RS only)
• elec-TRON RoadSport Coilover Kit w/ FAL Cylinders (982 GT4 / GT4 RS only)

Notes

• Works with Porsche PASM so no additional products are required
• 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

• Does the elec-TRON 3-Way RoadSport require the Electronic Damping Delete Kit on the 981 Cayman GT4 or 982 718 Cayman GT4 and GT4 RS? No. The elec-TRON kit integrates directly with the factory PASM system and retains full functionality, so no Delete Kit is needed. The Delete Kit is only required when fitting a passive coilover kit such as the standard 3-Way RoadSport.
• Can the Nitron elec-TRON 3-Way RoadSport be revalved or adjusted after purchase, and are custom spring rates available? Yes on both. Every Nitron elec-TRON RoadSport kit is fully serviceable and can be revalved or rebuilt by Nitron. Custom spring rates are available at the time of order; contact us directly before ordering if your intended use or setup calls for something outside the standard Fast Road or Track Day specs.

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.