The modified brake disc makes some changes on the basis of the original brake disc to improve performance.We crossed and drilled them to improve their heat dissipation,Website: ,and coated them to increase corrosion resistance.modified car parts-Holes Racing Brake Disc280MM*26MM320MM*28MM330MM*32MM345MM*32MM350MM*32MM380MM*32MM380MM*34MM330MM*28MM350MM*28MM