The Only Oil for Competition Diesel Engines Whether competing in sled pulls, drag races or dyno challenges, competitors using DOMINATOR® 20W-50 Competition Diesel Oil enjoy the confidence and security that come with providing their diesel trucks maximum protection and performance. Racing and high-performance
New DOMINATOR® Competition Diesel Oil
New DOMINATOR® Competition Diesel Oil The newest addition to the DOMINATOR racing line is specially formulated for performance-modified diesel engines. New AMSOIL DOMINATOR® 20W-50 Competition Diesel Oil (DCO) is engineered for modified, competition diesel engines and the high-horsepower demands of sled pulling,