Classic & Muscle 20w-50 SynBlend High-Zinc Motor Oil CHAMPION CLASSIC & MUSCLE 20w-50 synthetic blend motor oils contain Champion's exclusive TVS (Thermal Viscosity Stabilizer) technology delivering unmatched film strength at high temperature, better piston ring seal for maximum compression, and increases the foot-pounds of torque in most engines. These oils also contain special lubricity modifiers to reduce friction which unlock the full potential of any engine. Part #4124H/6 6/1 QT. Part #4124AN 55 Gal.
