Competition Clutch 6 puck solid ceramic disc for Mazda 12A with Turbo II splines. This Competition Clutch disc is designed for the serious enthusiast with considerable modifications. Each disc features 12 high-coefficient ceramic pads for quick engagement and extreme duty friction. Competition Clutch's specifically designed high torque disc delivers maximum holding capacity without compromise. The unsprung disc is lighter than its sprung counterpart, helping reduce rotational mass in the drive train. The absence of a sprung assembly also provides a harder engagement. *Disc size and spline : 225mm x 1 x 23T.