Charcoal colored carbon fiber is one of the most popular materials used in manufacturing today because of its strength and attractive looks. Proform's new Carbon-style engine dress-up products are stamped steel parts with a carbon fiber film adhered to the exterior surface giving the parts that look customers crave at a reasonable price with the strength of steel. This kit includes a pair of tall valve covers with rubber grommets and baffles installed (141-712) a 14in classic style air cleaner kit with black Bowtie center nut (141-713) and a 3in air breather cap (66013).