Öhlins Road & Track Coilovers – Porsche 911 997 Carrera / S / Cabrio
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Description
Öhlins Road & Track Coilovers – Porsche 911 997 Carrera / S / Cabrio
Part Number: POS MZ20S1 | Supersedes: POS MI20 | Fitment: Porsche 911 997 Carrera, Carrera S & Cabriolet
Over 40 years of motorsport engineering distilled into a street-ready coilover kit. The Öhlins Road & Track series delivers a genuine racing experience without sacrificing daily drivability — thanks to Öhlins' proprietary Dual Flow Valve (DFV) technology. Corrosion-tested to ISO 9227 and backed by a 2-year worldwide limited warranty.
⚠️ Note: For vehicles equipped with electronic adjustable suspension, an Öhlins cancellation kit is also required (sold separately). See cancellation kit table below.
Vehicle Fitment
| Porsche 911 997 Carrera | 2004–2012 |
| Porsche 911 997 Carrera S | 2004–2012 |
| Porsche 911 997 Cabriolet | 2004–2012 |
Technical Specifications
| Part Number | POS MZ20S1 |
| Supersedes | POS MI20 |
| Front Damper Type | McPherson strut |
| Rear Damper Type | Conventional shock absorber |
| Front Spring Rate | 60 N/mm — included |
| Rear Spring Rate | 120 N/mm — included |
| Lowering Range | Approx. 20mm below standard (front & rear) |
| Damping Adjustment | Single bleed adjuster (front & rear) |
| Top Mounts | Use with original top mounts (front & rear) |
| Springs Included | Yes — front & rear springs included |
| Corrosion Testing | ISO 9227 salt spray tested |
| Warranty | 2-year worldwide limited warranty |
| Rebuildable | Yes |
Cancellation Kit (if required)
For vehicles equipped with electronically adjustable suspension, an Öhlins cancellation kit must also be used. Ordered separately.
| Part No | Description | Note |
|---|---|---|
| 35020-09 | Cancellation kit | For Cabriolet |
| 35020-10 | Cancellation kit | For non-Cabriolet |
General Features
- DFV technology (Dual Flow Valve) — Öhlins' proprietary damping system
- Individual ride height adjustment via threaded lower flange (spring seat position maintained)
- Spring preload adjustment with included C-spanner
- Approx. 20mm lower than standard
- Rebuildable construction for long-term serviceability
- Corrosion salt spray tested to ISO 9227
- 2-year worldwide limited warranty
- Front & rear springs included
Front Features
- McPherson strut design
- Single bleed adjuster
- Spring preload adjuster
- Coil springs included (60 N/mm)
- Dustcovers included
- Use with original top mounts
Rear Features
- Conventional shock absorber design
- Single bleed adjuster
- Spring preload adjuster
- Coil springs included (120 N/mm)
- Dustcovers included
- Use with original top mounts
Kit Contents
- Complete coilover kit including springs and all mounting hardware
- C-spanner for spring preload adjustment
- Owner's manual and mounting instructions
- Öhlins sticker set
What is DFV (Dual Flow Valve)?
DFV is Öhlins' proprietary damping technology that sets the Road & Track range apart from conventional coilovers. The dual flow valve provides consistent damping characteristics on both compression and rebound strokes — the damper fluid follows a consistent flow path in both directions. This means the wheel and tyre can rapidly return to the road surface after a bump, maximising grip and traction at all times.
Because DFV opens more quickly on minor road imperfections, ride comfort is surprisingly supple — more akin to an OEM strut than a typical coilover. Over undulating surfaces, the compliance of the R&T units allows the car to crest bumps and potholes while remaining stable and in control. Traction is always maintained at its optimum level.
Öhlins also incorporates a unique needle bleed valve that expands with temperature, compensating for changes in fluid viscosity as the damper heats up. The result: consistent damping performance lap after lap, regardless of operating temperature.
Why Öhlins Road & Track?
- ✅ Over 40 years of motorsport engineering heritage — trusted by factory race teams worldwide
- ✅ Proprietary DFV technology delivers genuine race-car response with OEM-level daily comfort
- ✅ Rebuildable and fully serviceable for long-term ownership and track use
- ✅ Precision ride height adjustment via threaded lower flange — spring geometry is never compromised
- ✅ ISO 9227 corrosion-tested and backed by a 2-year worldwide limited warranty