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. Valvoline SynPower motor oil helps maintain fuel efficiency for the life of the oil (applies to 0W-20, 5W-20, 5W-30, and 10W-30 grades), and it's fully compatible with all conventional and leading synthetic motor oils.