Valvoline SynPower motor oil delivers the ultimate in protection and performance. It provides excellent engine cleanliness through superior sludge and varnish protection; helps reduce engine wear at high temperatures with improved viscosity stability; offers outstanding high-temperature safeguard under severe driving conditions; delivers superior cold-temperature protection through faster oil flow at start-up; and includes durable low-volatility anti-wear additives which remain in the oil longer--for outstanding protection against friction and wear， with less impact on the vehicle's catalytic system.