Quaker State^® Ultimate Durability™ Full Synthetic motor oil is our best weapon against wear. No leading synthetic motor oil provides better protection from friction-related wear than Quaker State^® Ultimate Durability™.*

• Offers unsurpassed protection against friction-related wear, especially as temperatures increase*
• Provides improved resistance to engine stress at high RPMs and under heavy loads**
• Gives superior resistance to thermal and viscosity breakdown**
• Offers superior lubrication at low and high temperatures**

* As measured in ASTM Sequence IVA test, using SAE 5W-30 engine oil. ** Comparison based on Quaker State^® Advanced Durability™ motor oil.