Clutch Masters FX100 Stage 1 Clutch Kit Evo 8 + 9 | 05106-HD00 33918 Hawk pads are designed to

Hawk pads are designed to work with Iron/Metal rotors

which are known to the State of California to cause cancer and birth defects or other reproductive harm

Piping Diameter - 102mm (4inches)

the stock WRX is designed to be biased towards understeer

4 Pad Sprung Race Disc

Clutch Masters FX100 Stage 1 Clutch Kit Evo 8 + 9 | 05106-HD00 33918 Hawk pads are designed toPart #: 05106 HD00 FX100: Heavy duty pressure plate (40 65% increase over stock pressure) and steel backed organic lined disc, smooth engagement. This assembly is designed to provide extended life and superior holding power for cars with moderate power upgrades and or more enthusiastic driving in abusive conditions. Disc includes a steel backed lining to enhance the structural integrity of the material which is complemented by the highest quality hub