Girodisc Ford Focus RS Front Replacement Rings FD3S Performance Gains: +15-20hp | +18-23ft-lb

Performance Gains: +15-20hp | +18-23ft-lb torque

Engineered to prevent fuel starvation under high-G cornering and aggressive driving

Looks great - Black powder coat

We recommend washing your cotton filter in water with a little Dawn dish soap

If you have an automatic transmission and change the MAP sensor then the AT computer will not work correctly

Girodisc Ford Focus RS Front Replacement Rings FD3S Performance Gains: +15-20hp | +18-23ft-lbOur 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.