Clutch Kit - Uprated Stage 1 - Black Diamond - Celica ZZT231, Corolla T SportBlack Diamond Uprated Clutch Kit Stage 1 for Celica ZZT231, Corolla T Sport 2ZZ GE Engine 212mm, 3 piece clutch kit includes, cover, plate and release bearing Note: Not for cars with superstrut suspension The stage 1 clutch kit is recommended for vehicles with up to 20% increase in torque above standard. The clutch disc has a spiral woven glass fibre friction material with a heavy copper core. The glass fibre is a fairly soft material which allows for