Please wait… 
Please wait while we process your order,
do not press the back button…
do not press the back button…
Enter your VAT number here and click Verify:
Your details have been verified. VAT number registered to:
,
.
Your order will now be zero rated for VAT purposes. We reserve the right to verify these details after your order request has been made and reinstate VAT if required.
Your VAT details were not recognised or were invalid. Your VAT number must be matched to your Billing Country as specified above. This is currently specified as . You do not need to enter the country code part of your VAT number as this has already been selected in your billing address details above.
The VAT number checking service is currently offline. Please supply your VAT details within the comments or special instructions field below and we will apply a VAT discount after placing your order request.
Category Filter
Superlight Magnesium Forged Centre Lock Wheels from Ninemeister. Porsche 718 Cayman GT4 RS / 718 Boxster Spyder RS - 9MMAGS4RSSRSC
9MMAGS4RSSRSC
Vehicle Group
- Porsche Boxster Spyder / Spyder RS 718 4.0L 01/2019>>
- Porsche Cayman GT4 718 4.0L / GT4 RS 718 4.0L
Information
Ninemeister Superlight Magnesium Forged Centre Lock Wheels - Cayman GT4 RS & 718 Spyder RS
The Ninemeister Superlight Magnesium Forged Centre Lock
Wheels are a race-inspired upgrade engineered specifically for the Porsche
Cayman GT4 RS and 718 Boxster Spyder RS. Designed to deliver extreme weight
reduction with uncompromising rigidity, these wheels dramatically reduce
unsprung and rotational mass—unlocking sharper steering response, faster
suspension reaction, and heightened driver feedback.
Fits:
- Porsche Boxster Spyder RS 718 4.0L
- Porsche Cayman GT4 RS 718 4.0L
Front: 20 x 9"
Rear: 20 x 11"
When ordering wheels, please specify the desired offset
(if known) and vehicle details in comments box at checkout stage
If offset is unknown please leave vehicle details (VIN) and we can advise.
Available from Design911, these centre lock wheels are forged from magnesium billet using an industry-leading 10,000 TON forging process, achieving weight savings of up to 40% compared to OEM aluminium wheels. The result is a transformative performance upgrade befitting Porsche’s most focused mid-engine RS models.
What Do Ninemeister Magnesium Centre Lock Wheels Do?
These wheels elevate handling and performance by optimising mass and strength where it matters most.
Core Functions:
- Reduce unsprung and rotational weight for faster suspension response.
- Sharpen steering precision and on-centre feel.
- Improve braking efficiency and acceleration response.
- Enhance chassis balance and tyre contact.
- Maintain exceptional rigidity under extreme track loads.
Lower wheel mass allows the GT4 RS and Spyder RS chassis to perform closer to its motorsport potential.
Why Upgrade to Ninemeister Superlight Magnesium Wheels?
For RS owners, reducing wheel weight delivers immediate, measurable gains.
Upgrade Advantages:
- Up to 40% lighter than standard aluminium wheels.
- Forged magnesium billet construction for superior strength-to-weight ratio.
- Manufactured using 10,000 TON of forging pressure.
- Reduced rotational inertia for quicker throttle response.
- Motorsport-style centre lock design with exclusivity and performance focus.
This upgrade complements the lightweight philosophy and track intent of Porsche’s RS models without compromising durability.
Wheel Specifications & Construction
- Front: 20 x 9"
- Rear: 20 x 10"
- Forged magnesium billet construction
- Industry-leading 10,000 TON forging process
- Superlight centre lock design
- Available in a variety of colours (made to order)
- Engineered specifically for Cayman GT4 RS & 718 Boxster Spyder RS
Please note:
Wheels are made to order and carry a lead time of up to 14 weeks.
Centre lock nuts not included
Key Benefits
- Significant reduction in unsprung and rotational mass
- Sharper steering and enhanced chassis feedback
- Improved braking and acceleration performance
- Motorsport-grade materials and manufacturing
- Exclusive, bespoke finish options
Prices from: £4,205.27
Related products
Vehicle Group
- Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
- Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
- Porsche 970.1 Panamera S V8 4.8L 2009-13
- Porsche 970.1 Panamera 4S V8 4.8L 2009-13
- Porsche 970.1 Panamera GTS V8 4.8L 2011-13
- Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
- Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
- Porsche 970.1 Panamera Diesel V6 3.0L 2011-13
- Porsche 970.1 Panamera S Hybrid V6 3.0L 2011-13
- Porsche 970.2 Panamera V6 3.6L 2WD (310Hp) 2014-16
- Porsche 970.2 Panamera 4 V6 3.6L 4WD (310Hp) 2014-16
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD (420Hp) 2014-16
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD Executive 2014-16
- Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD (420Hp) 2014-16
- Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD Executive 2014-16
- Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 Executive 2014-16
- Porsche 970.2 Panamera Turbo S V8 4.8L 2014-16
- Porsche 970.2 Panamera Diesel V6 3.0L (250Hp) 2014-16
- Porsche 970.2 Panamera S E-Hybrid V6 3.0L (416Hp) 2014-16
- Porsche 971.1 Panamera V6 3.0L 2WD (330 Hp) 2017-20
- Porsche 971.1 Panamera 4 V6 3.0L 4WD (330 Hp) 2017-20
- Porsche 971.1 Panamera 4 V6 3.0L 4WD Executive 2017-20
- Porsche 971.1 Panamera 4 3.0L Turbocharged V6 Sport Turismo 2017-20
- Porsche 971.1 Panamera 4S V6 3.0L 4WD (440 Hp) 2017-20
- Porsche 971.1 Panamera 4S V6 3.0L 4WD Executive 2017-20
- Porsche 971.1 Panamera 4S 2.9L Twin-Turbo V6 Sport Turismo 2017-20
- Porsche 971.1 Panamera 4S Diesel V8 4.0L 4WD (422 Hp) 2017-18
- Porsche 971.1 Panamera 4S Diesel 4.0L Twin-Turbo V8 Sport Turismo 2017-18
- Porsche 971.1 Panamera 4 E-Hybrid V6 2.9L 4WD 2017-20
- Porsche 971.1 Panamera 4 E-Hybrid V6 2.9L 4WD Executive 2017-20
- Porsche 971.1 Panamera 4 E-Hybrid 2.9L Twin-Turbo V6 Sport Turismo 2017-20
- Porsche 971.1 Panamera Turbo V8 4.0L 4WD (550 Hp) 2017-20
- Porsche 971.1 Panamera Turbo V8 4.0L 4WD Executive 2017-20
- Porsche 971.1 Panamera Turbo 4.0L Twin-Turbo V8 Sport Turismo 2017-20
- Porsche 971.1 Panamera Turbo S E-Hybrid V8 4.0L 4WD 2017-20
- Porsche 971.1 Panamera Turbo S E-Hybrid V8 4.0L 4WD Executive 2017-20
Information
Original Porsche 20-inch Panamera Winter wheel-and-tyre set. Alloy wheels in Exclusive Design. Painted in Platinum Silver and with bright-polished areas.
Wheel dimensions (offset (ET) in mm):
Front axle: 9.5 J x 20 ET 71
Rear axle: 10.5 J x 20 ET 71
Tyre specifications:
Front axle: 275/40 R 20 106V XL M+S
Rear axle: 315/35 R 20 110V XL M+S
Fits:
Porsche 971 Panamera
Porsche 971 Panamera 4
Porsche 971 Panamera 4 E-Hybrid
Porsche 971 Panamera 4S
Porsche 971 Panamera 4S Diesel
Porsche 971 Panamera 4 Executive
Porsche 971 Panamera 4 E-Hybrid Executive
Porsche 971 Panamera 4S Executive
Porsche 971 Panamera Turbo
Porsche 971 Panamera Turbo Executive
Please Note:
The combination with wheel hub covers is recommended.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
971044600C
The product you are viewing cross references to these numbers
Wheel dimensions (offset (ET) in mm):
Front axle: 9.5 J x 20 ET 71
Rear axle: 10.5 J x 20 ET 71
Tyre specifications:
Front axle: 275/40 R 20 106V XL M+S
Rear axle: 315/35 R 20 110V XL M+S
Fits:
Porsche 971 Panamera
Porsche 971 Panamera 4
Porsche 971 Panamera 4 E-Hybrid
Porsche 971 Panamera 4S
Porsche 971 Panamera 4S Diesel
Porsche 971 Panamera 4 Executive
Porsche 971 Panamera 4 E-Hybrid Executive
Porsche 971 Panamera 4S Executive
Porsche 971 Panamera Turbo
Porsche 971 Panamera Turbo Executive
Please Note:
The combination with wheel hub covers is recommended.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
971044600C
971044600C
The product you are viewing cross references to these numbers
Price: £12,899.92
Orderable
Vehicle Group
- Porsche 971.1 Panamera V6 3.0L 2WD (330 Hp) 2017-20
- Porsche 971.1 Panamera 4 V6 3.0L 4WD (330 Hp) 2017-20
- Porsche 971.1 Panamera 4 V6 3.0L 4WD Executive 2017-20
- Porsche 971.1 Panamera 4 3.0L Turbocharged V6 Sport Turismo 2017-20
- Porsche 971.1 Panamera 4S V6 3.0L 4WD (440 Hp) 2017-20
- Porsche 971.1 Panamera 4S V6 3.0L 4WD Executive 2017-20
- Porsche 971.1 Panamera 4S 2.9L Twin-Turbo V6 Sport Turismo 2017-20
- Porsche 971.1 Panamera 4S Diesel V8 4.0L 4WD (422 Hp) 2017-18
- Porsche 971.1 Panamera 4S Diesel 4.0L Twin-Turbo V8 Sport Turismo 2017-18
- Porsche 971.1 Panamera 4 E-Hybrid V6 2.9L 4WD 2017-20
- Porsche 971.1 Panamera 4 E-Hybrid V6 2.9L 4WD Executive 2017-20
- Porsche 971.1 Panamera 4 E-Hybrid 2.9L Twin-Turbo V6 Sport Turismo 2017-20
- Porsche 971.1 Panamera Turbo V8 4.0L 4WD (550 Hp) 2017-20
- Porsche 971.1 Panamera Turbo V8 4.0L 4WD Executive 2017-20
- Porsche 971.1 Panamera Turbo 4.0L Twin-Turbo V8 Sport Turismo 2017-20
- Porsche 971.1 Panamera Turbo S E-Hybrid V8 4.0L 4WD 2017-20
- Porsche 971.1 Panamera Turbo S E-Hybrid V8 4.0L 4WD Executive 2017-20
Information
Original Porsche 20-inch Panamera Winter wheel-and-tyre set. Alloy wheels in Exclusive Design. Painted in Platinum (satin-gloss). Including painted rim base as well as wheel hub covers with coloured Porsche Crest.
Wheel dimensions (offset (ET) in mm):
Front axle: 9.5 J x 20 ET 71
Rear axle: 10.5 J x 20 ET 71
Tyre specifications:
Front axle: 275/40 R 20 106V XL M+S
Rear axle: 315/35 R 20 110V XL M+S
Fits:
Porsche 971 Panamera
Porsche 971 Panamera 4
Porsche 971 Panamera 4 E-Hybrid
Porsche 971 Panamera 4S
Porsche 971 Panamera 4S Diesel
Porsche 971 Panamera 4 Executive
Porsche 971 Panamera 4 E-Hybrid Executive
Porsche 971 Panamera 4S Executive
Porsche 971 Panamera Turbo
Porsche 971 Panamera Turbo Executive
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
971044600D
The product you are viewing cross references to these numbers
Wheel dimensions (offset (ET) in mm):
Front axle: 9.5 J x 20 ET 71
Rear axle: 10.5 J x 20 ET 71
Tyre specifications:
Front axle: 275/40 R 20 106V XL M+S
Rear axle: 315/35 R 20 110V XL M+S
Fits:
Porsche 971 Panamera
Porsche 971 Panamera 4
Porsche 971 Panamera 4 E-Hybrid
Porsche 971 Panamera 4S
Porsche 971 Panamera 4S Diesel
Porsche 971 Panamera 4 Executive
Porsche 971 Panamera 4 E-Hybrid Executive
Porsche 971 Panamera 4S Executive
Porsche 971 Panamera Turbo
Porsche 971 Panamera Turbo Executive
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
971044600D
971044600D
The product you are viewing cross references to these numbers
Price: £7,604.28
Orderable
Vehicle Group
- Porsche 971.1 Panamera V6 3.0L 2WD (330 Hp) 2017-20
- Porsche 971.1 Panamera 4 V6 3.0L 4WD (330 Hp) 2017-20
- Porsche 971.1 Panamera 4 V6 3.0L 4WD Executive 2017-20
- Porsche 971.1 Panamera 4 3.0L Turbocharged V6 Sport Turismo 2017-20
- Porsche 971.1 Panamera 4S V6 3.0L 4WD (440 Hp) 2017-20
- Porsche 971.1 Panamera 4S V6 3.0L 4WD Executive 2017-20
- Porsche 971.1 Panamera 4S 2.9L Twin-Turbo V6 Sport Turismo 2017-20
- Porsche 971.1 Panamera 4S Diesel V8 4.0L 4WD (422 Hp) 2017-18
- Porsche 971.1 Panamera 4S Diesel 4.0L Twin-Turbo V8 Sport Turismo 2017-18
- Porsche 971.1 Panamera 4 E-Hybrid V6 2.9L 4WD 2017-20
- Porsche 971.1 Panamera 4 E-Hybrid V6 2.9L 4WD Executive 2017-20
- Porsche 971.1 Panamera 4 E-Hybrid 2.9L Twin-Turbo V6 Sport Turismo 2017-20
- Porsche 971.1 Panamera Turbo V8 4.0L 4WD (550 Hp) 2017-20
- Porsche 971.1 Panamera Turbo V8 4.0L 4WD Executive 2017-20
- Porsche 971.1 Panamera Turbo 4.0L Twin-Turbo V8 Sport Turismo 2017-20
- Porsche 971.1 Panamera Turbo S E-Hybrid V8 4.0L 4WD 2017-20
- Porsche 971.1 Panamera Turbo S E-Hybrid V8 4.0L 4WD Executive 2017-20
Information
Original Porsche 20-inch Panamera Design Summer wheel-and-tyre set. Alloy wheels in multi-spoke design. Painted in Silver.
Wheel dimensions (offset (ET) in mm):
Front axle: 9.5 J x 20 ET 71
Rear axle: 11.5 J x 20 ET 68
Tyre specifications:
Front axle: 275/40 ZR 20 106(Y) XL
Rear axle: 315/35 ZR 20 110(Y) XL
Fits:
Porsche 971.1 Panamera (G2) 2017-21
Please note:
The combination with wheel hub covers is recommended.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
971044660F
The product you are viewing cross references to these numbers
Wheel dimensions (offset (ET) in mm):
Front axle: 9.5 J x 20 ET 71
Rear axle: 11.5 J x 20 ET 68
Tyre specifications:
Front axle: 275/40 ZR 20 106(Y) XL
Rear axle: 315/35 ZR 20 110(Y) XL
Fits:
Porsche 971.1 Panamera (G2) 2017-21
Please note:
The combination with wheel hub covers is recommended.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
971044660F
971044660F
The product you are viewing cross references to these numbers
Price: £5,885.81
Orderable
Vehicle Group
- Porsche 971.1 Panamera V6 3.0L 2WD (330 Hp) 2017-20
- Porsche 971.1 Panamera 4 V6 3.0L 4WD (330 Hp) 2017-20
- Porsche 971.1 Panamera 4 V6 3.0L 4WD Executive 2017-20
- Porsche 971.1 Panamera 4 3.0L Turbocharged V6 Sport Turismo 2017-20
- Porsche 971.1 Panamera 4S V6 3.0L 4WD (440 Hp) 2017-20
- Porsche 971.1 Panamera 4S V6 3.0L 4WD Executive 2017-20
- Porsche 971.1 Panamera 4S 2.9L Twin-Turbo V6 Sport Turismo 2017-20
- Porsche 971.1 Panamera 4S Diesel V8 4.0L 4WD (422 Hp) 2017-18
- Porsche 971.1 Panamera 4S Diesel 4.0L Twin-Turbo V8 Sport Turismo 2017-18
- Porsche 971.1 Panamera 4 E-Hybrid V6 2.9L 4WD 2017-20
- Porsche 971.1 Panamera 4 E-Hybrid V6 2.9L 4WD Executive 2017-20
- Porsche 971.1 Panamera 4 E-Hybrid 2.9L Twin-Turbo V6 Sport Turismo 2017-20
- Porsche 971.1 Panamera Turbo V8 4.0L 4WD (550 Hp) 2017-20
- Porsche 971.1 Panamera Turbo V8 4.0L 4WD Executive 2017-20
- Porsche 971.1 Panamera Turbo 4.0L Twin-Turbo V8 Sport Turismo 2017-20
- Porsche 971.1 Panamera Turbo S E-Hybrid V8 4.0L 4WD 2017-20
- Porsche 971.1 Panamera Turbo S E-Hybrid V8 4.0L 4WD Executive 2017-20
Information
Original Porsche 20-inch Panamera Turbo Summer wheel-and-tyre set. Alloy wheels in 5-spoke design. Painted in Silver.
Wheel dimensions (offset (ET) in mm):
Front axle: 9.5 J x 20 ET 71
Rear axle: 11.5 J x 20 ET 68
Tyre specifications:
Front axle: 275/40 ZR 20 106(Y) XL
Rear axle: 315/35 ZR 20 110(Y) XL
Fits:
Porsche 971.1 Panamera (G2) 2017-21
Please note:
The combination with wheel hub covers is recommended.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
971044660B
The product you are viewing cross references to these numbers
Wheel dimensions (offset (ET) in mm):
Front axle: 9.5 J x 20 ET 71
Rear axle: 11.5 J x 20 ET 68
Tyre specifications:
Front axle: 275/40 ZR 20 106(Y) XL
Rear axle: 315/35 ZR 20 110(Y) XL
Fits:
Porsche 971.1 Panamera (G2) 2017-21
Please note:
The combination with wheel hub covers is recommended.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
971044660B
971044660B
The product you are viewing cross references to these numbers
Price: £4,572.10
Orderable