Girodisc Mercedes 358mm Rear Replacement Rings LSX and performance for your RS-class

and performance for your RS-class Audi

Our ultra-lightweight FEA-optimized titanium retainer reduces the chance of valve float while securing the factory spring to the new IE pump assembly

20-0683: PCV Valve

which is shorter than the standard 14-0118 adapter

and components to properly plumb aftermarket fuel rails on EA888-equipped vehicles

Girodisc Mercedes 358mm Rear Replacement Rings LSX and performance for your RS-classOur replacement 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.