GiroDisc Slotted Rear Rings (For PFC/Porsche OEM Hats) - Porsche 991 Cup / GT4 Clubsport
These are direct replacement rings for the Porsche 991 GT3 Cup and all GT4 Clubsport factory race cars, for use with the Porsche/PFC factory hats and snap ring hardware.
With a higher 72-vane count, these rings offer a durability and longevity upgrade over the original 48-vane rings. Manufactured with the same tooth-drive configuration as the factory hats, these will plug-and-play with your existing hats without requiring the purchase of additional hardware.
Sold per pair. Hardware not included.
Diameter: 380mm
Thickness: 30mm
Minimum thickness: 28mm
Note: if you have GiroDisc hats, these are not the correct replacement rings. You will need Giro Disc part number D2-238
Product Information
Product Information
Shipping & Returns
Shipping & Returns

GiroDisc Slotted Rear Rings (For PFC/Porsche OEM Hats) - Porsche 991 Cup / GT4 Clubsport
GiroDisc Slotted Rear Rings (For PFC/Porsche OEM Hats) - Porsche 991 Cup / GT4 Clubsport
These are direct replacement rings for the Porsche 991 GT3 Cup and all GT4 Clubsport factory race cars, for use with the Porsche/PFC factory hats and snap ring hardware.
With a higher 72-vane count, these rings offer a durability and longevity upgrade over the original 48-vane rings. Manufactured with the same tooth-drive configuration as the factory hats, these will plug-and-play with your existing hats without requiring the purchase of additional hardware.
Sold per pair. Hardware not included.
Diameter: 380mm
Thickness: 30mm
Minimum thickness: 28mm
Note: if you have GiroDisc hats, these are not the correct replacement rings. You will need Giro Disc part number D2-238
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
These are direct replacement rings for the Porsche 991 GT3 Cup and all GT4 Clubsport factory race cars, for use with the Porsche/PFC factory hats and snap ring hardware.
With a higher 72-vane count, these rings offer a durability and longevity upgrade over the original 48-vane rings. Manufactured with the same tooth-drive configuration as the factory hats, these will plug-and-play with your existing hats without requiring the purchase of additional hardware.
Sold per pair. Hardware not included.
Diameter: 380mm
Thickness: 30mm
Minimum thickness: 28mm
Note: if you have GiroDisc hats, these are not the correct replacement rings. You will need Giro Disc part number D2-238












