Torco TR-1 Racing Motor Oil comes from an original series of motor oils called MPZ Racing Oils. MPZ Racing Oils have a long history of accomplishments in many forms of racing dating back to the 50's. TR-1 is simply the next generation of the original chemistries and carries out a tradition of superior performance. TR-1 is a special blend of hydro-processed petroleum base stocks, special polymers and proprietary additive systems focused on superior performance and engine protection. TR-1 is a tried and proven race formula that offers excellent thermal stability under extreme RPM and high operating temperatures of modern racing engines. It is an MPZ® fortified formula which provides unequalled anti-friction, anti-wear protection and minimizes frictional losses for increased power. TR-1 protects against scuffing, galling and metal transfer for longer engine life.