The FX300 System uses the Power Plus I Pressure Plate with a Steel Back Segmented Kevlar disc. This clutch is designed for the ultimate street enthusiast or weekend racer running a normally aspirated car equipped with cylinder head work and/or hotter cam(s), or with medium-boost turbo or super-charger, or up to 100hp NO2. The FX300 features only slightly increased pedal pressure, long life disc and positive engagement. The FX300 is only recommended for the street and not for the track. Minimum 500 Required break-in miles.