Girodisc Ferrari 458, 488 Challenge Rear Replacement Rings Port Injection Upgrade your BMW's engine bay

Upgrade your BMW's engine bay with the Eventuri S62 Carbon Fiber Plenum Lid for a blend of style and enhanced auditory experience

optimal airflow

Enhance your BMW's performance and engine bay aesthetics with the Eventuri Carbon Fiber Intake System

but this upgrade does not require any modifications

High-performance fuel rails for HSV VF GTS

Girodisc Ferrari 458, 488 Challenge Rear Replacement Rings Port Injection Upgrade your BMW's engine bayOur 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.