Girodisc BMW E46 M3 Front Replacement Rings AUDI_A3_8Y This unique design also separates

This unique design also separates rainwater from the intake air

Fully disassemblable for cleaning

The IE HPFP (High Pressure Fuel Pump) Upgrade is the missing link to provide enough fuel for dual pulley setups attempting big power on higher octane fuels

through rod 30 mm shaft

using a multilayer (laminated) core construction to minimise weight and pressure drop while improving cooling performance over the factory unit

Girodisc BMW E46 M3 Front Replacement Rings AUDI_A3_8Y This unique design also separatesOur 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.