Torco TR-1R Racing Motor Oil comes from an original series of motor oils called MPZ® Racing Oils. TR-1R is a special blend of hydro processed petroleum base stocks, special polymers and proprietary additive systems focused on superior performance and engine protection. MPZ® is a fortified formula which provides unequalled anti-friction, anti-wear and minimizes frictional losses for increased power. TR-1R protects against scuffing, galling and metal transfer for longer engine life. Available in 10W-30, 10W-40, 20W-50, SAE 50, SAE 60 and Grade 70.