🏁 Porsche 911 S/T (992) Tyre Size, Wheel Specs, PCD, Centre Bore & Torque Guide
🔧 Vehicle Overview
The Porsche 911 S/T (992) is one of the most exclusive modern Porsche models, combining GT3 RS lightweight engineering with GT3 Touring drivability. Designed for pure driver engagement, it features:
✔ Naturally aspirated 4.0L engine
✔ Manual gearbox
✔ Lightweight construction
✔ Track-capable chassis with road usability
Tyre selection is critical, as the S/T relies heavily on mechanical grip and precision handling.
📊 Factory Wheel & Fitment Specifications
🔩 Core Fitment Data (911 S/T – 992)
-
Bolt Pattern (PCD): 5×130
-
Centre Bore: 71.6 mm
-
Wheel Bolt Thread: M14 × 1.5
-
Wheel Nut Torque (5-stud): 160 Nm
⚠️ Most S/T models use centre-lock wheels
→ Requires special Porsche torque tool
🛞 Factory Wheel Sizes & Offsets
🔹 Porsche 911 S/T (992)
| Position | Wheel Size | Offset |
|---|---|---|
| Front | 20x9.5 | ET46 |
| Rear | 21x12 | ET50 |
📌 Same wheel architecture as GT3 Touring / GT3, optimised for lightweight performance.
📏 Factory Tyre Sizes
🔹 OEM Tyre Setup
-
Front: 255/35R20
-
Rear: 315/30R21
📌 High-performance staggered setup for maximum grip and balance.
⚙️ Recommended Tyres (Australia)
🏁 Factory / Track-Focused (PRIMARY)
-
Michelin Pilot Sport Cup 2 (N-rated)
✔ Maximum dry grip
✔ OEM-style performance
🔥 Street + Performance (Recommended for Most Owners)
-
Michelin Pilot Sport 4S
-
Continental SportContact 7
✔ Better wet grip
✔ More usable for road driving
🔇 Comfort Option (Limited Use)
-
Continental MaxContact MC7 (not typical but possible)
✔ Lower noise
✔ Improved comfort
⚙️ Aftermarket Upgrade Guide
✔ OEM+ Setup (Recommended)
-
255/35R20 + 315/30R21
✔ Maintains Porsche tuning
✔ Street Performance Setup
-
PS4S / SportContact 7
✔ Best balance of comfort + performance
✔ Track Setup
-
Cup 2
✔ Maximum grip
⚠️ Critical Fitment Notes
-
S/T is rear-wheel drive (RWD)
-
Staggered setup = NO front-to-rear rotation
✔ Track tyres require:
-
Proper warm-up
-
Correct tyre pressure management
❌ Incorrect tyres will:
-
Reduce handling precision
-
Affect braking and balance
✔ Always recommend N-rated tyres
🛠️ Torque & Installation Guide
🔧 5-Stud Wheels
-
Torque: 160 Nm
🔧 Centre-Lock Wheels (Most S/T Models)
-
Requires special Porsche tool
-
Torque significantly higher (manufacturer spec required)
✔ Re-torque after 50–100 km
🏪 Why Choose Autosport Tyreworld?
At Autosport Tyreworld, we specialise in rare and high-performance Porsche models:
✔ GT3, S/T & RS tyre expertise
✔ Porsche-approved tyre options
✔ Premium brands: Michelin, Continental, Pirelli
✔ Precision balancing & performance alignment
📍 Visit Our Stores
AUTOSPORT TYREWORLD
📍 647 Magill Road, Magill SA 5072
📞 0452 641 023
📍 411 Grand Junction Road, Wingfield SA 5013
📞 0433 645 411
📍 911 South Road, Clarence Gardens SA 5039
📞 0420 299 911