Malwood USA Hydraulic Throwout Bearings are Made from aircraft quality aluminum and designed to withstand the high spring pressure and high RPM operation common to racing clutches or your daily driver. Will fit most Chevy Manual Transmissions. Flat Face Bearing will fit Rolled clutch fingers Heat-treated bearing faces are blanchard ground to ensure trueness; Ball bearing races are packed with heat-resistant grease for better lubrication and longer life.