The 500 series is McLeod Racings premier organic/ceramic dual performance disc. Made with a steel backed facing and a marcel drive plate along with a 6 spring 6 rivet hub, the 500 series disc is a robust disc at a economical price point. The 500 series is offered in several different diameters and inputshaft splines to meet your needs. The 500 series has a smooth engagement and modulation on the organic side, but the bite of the ceramic will leave you confident that your putting the power to the ground. Perfect for applications that want to drive street and strip. McLeod Racing has you covered!!