JRZ 12 Series triple adjustable motorsport damper for the Porsche Cayman GT4 981 (2015-2017). Adds low speed compression bypass to independently adjustable compression and rebound, enabling precise tuning of pitch, roll, and vehicle balance. Features the JRZ 8060 motorsport piston and upgradeable to quad-adjustable with the 50 DA option. Built to order through Meisterschaft Motorsport Engineering, the official U.S. importer of JRZ Suspension. Every set includes expert setup consultation for your Porsche.
The JRZ 12 Series Coilovers Porsche Cayman GT4 981 deliver motorsport-grade triple-adjustable damping with independent high-speed compression, low-speed compression, and rebound control. Built by JRZ Suspension Engineering in the Netherlands, the 12 Series gives 981 GT4 owners the most granular tuning available in the JRZ lineup. For fewer adjustments, see the 11 Series, RS TWO, or RS ONE.
The 12 Series is built for drivers who want full control over every aspect of damper behaviour. Three independent adjustments let you separate high-speed and low-speed compression response from rebound, giving you the tools to tune for specific track surfaces, tyre compounds, and driving styles.
Every JRZ 12 Series kit for the Porsche 981 Cayman GT4 is hand-assembled at JRZ’s facility in the Netherlands. Damper bodies are machined from aerospace-grade aluminium, valving is set to Meisterschaft specifications, and each unit is dyno-verified before shipping. Front camber plates and rear top mounts are included and engineered specifically for the 981 GT4 chassis.
Designed as a direct bolt-in for the Porsche 981 Cayman GT4 (2015–2017). The kit includes front and rear dampers with remote reservoirs, JRZ adjustable camber plates up front, JRZ rear top mounts, and your choice of spring package. Springs are available in Street, Street/Track Hybrid, Track, or Custom rates — chosen based on your driving style, tire compound, and whether the car sees daily use, track days, or dedicated competition. Every kit is a direct bolt-in with no fabrication required.
| DAMPER TYPE | Triple-adjustable mono-tube with remote reservoir |
| ADJUSTMENTS | High-speed compression, low-speed compression, and rebound — all independently adjustable |
| DESIGN | Mono-tube with piggyback remote reservoir for increased oil volume |
| FITMENT | Porsche 981 Cayman GT4, 2015–2017 |
| VALVING | Meisterschaft spec — optimised for 981 GT4 mass and chassis dynamics |
| SPRING PACKAGE | Street, Street/Track Hybrid, Track, or Custom rates |
| QUICK DISCONNECTS | Front standard |
| FRONT CAMBER PLATES | Optional add-on |
| REAR TOP MOUNTS | Optional add-on |
| INSTALLATION | Direct bolt-in — reservoir mounting required |
| SERVICE | Fully rebuildable and revalveable at Meisterschaft Motorsport |
| BUILD TIME | 2–4 weeks from order, depending on JRZ production schedule |
Tell us about your GT4 and how you use it — we’ll recommend the right JRZ platform, spring rates, and options.
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