Clutch Masters FX400 is a heavy-duty sprung ceramic clutch system offered in 6- or 8-puck configurations and intended for aggressive street, road and drag use. The FX400 offers substantially increased holding capacity (170% stated in source material), uses a heavy-duty pressure plate and a sprung hub to provide moderated dampening versus solid designs, and is specified for street-driven vehicles seeking higher clamp capacity.
Clutch Masters 14-19 Toyota Corolla 1.8L FX400 6-Puck Sprung Clutch Kit