Sludge, a byproduct of oil oxidation, can thicken and build up in the engine causing increased friction, lower fuel efficiency and excessive heat. Older engines are also susceptible to oil consumption and oil leaks.
Edge High Mileage 5W-30 Synthetic Motor Oil. Why Choose Edge High Mileage Synthetic Motor Oil?. Manufacturer Part Number: 5W-30 Synthetic Motor Oil Unit Quantity: 2 Type: Full Synthetic Oil Viscosity: 5W - 30.