The Hiflofiltro Racing Oil Filters have been developed to meet the rigorous demands of top level racing, providing unsurpassed performance. Tough, heavy-duty steel canister. 17mm cross-drilled nut enables easy installation, removal, and lock wiring for race use. Hiflofiltro are the only TÜV certified oil filters, ensuring the highest levels of quality, performance, and vehicle warranty compatibility. Hiflofiltro RC is the ultimate performance oil filter.