ACT 1986 Toyota Corolla 4 Pad Sprung Race Disc - 4200103 fits_1999-2003`Mazda`323 Its XLPE material is heat-soak

Its XLPE material is heat-soak resistant and extremely durable

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37-percent increase in core volume over stock for improved cooling capacity

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ACT 1986 Toyota Corolla 4 Pad Sprung Race Disc - 4200103 fits_1999-2003`Mazda`323 Its XLPE material is heat-soak4200103 is a 4 pad spring centered race disc made with high quality, ceramic friction materials. The engagement is harsher, but shifting is faster. The heavy duty torsional dampening springs are stronger, in most cases, than standard springs and are provided in the best sizes and spring rates to suit the application. The race disc features a heat treated spring steel drive plate and is well suited for the smaller disc sizes in smaller engines.