GiroDisc D2-032 Porsche 350mm REAR Replacement Rings FVD Garmin Catalyst crunches the numbers

Garmin Catalyst crunches the numbers

4L engine while producing great gains from the 2

This method is just about guaranteed to destroy your wheels in time

Upgrade your stock Porsche or adjustable rear swaybar with this simple bolt in replacement for the factory drop links

This ensures that only clean air reaches the combustion chamber

GiroDisc D2-032 Porsche 350mm REAR Replacement Rings FVD Garmin Catalyst crunches the numbersReplacement rings are sold in pairs and include replacement hardware. The only parts you will reuse are your existing GiroDisc hats. Please note that unless specifically noted, GiroDisc replacement rings are only designed to work with GiroDisc hats. They are not designed to be used with other brands, including hats from cars equipped with 2 piece rotors from the factory.