Girodisc BMW E46 M3 Front Replacement Rings AUDI_A3_8Y using a multilayer (laminated) core

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

or purchasing the complete Dual Kit 20-0099-FL

A constant ram air supply is forced in from the grille inlet

through rod 30 mm shaft

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

Girodisc BMW E46 M3 Front Replacement Rings AUDI_A3_8Y using a multilayer (laminated) coreOur 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.