Peak Performance for advanced friction protection

Provides resistance to thermal breakdown, protection against harmful deposits, and controls oxidation

Gives security in changing climates and temperatures

Resists oil thickening and consumption

Keep your engine performing at it's peak with Quaker State Peak Performance

Quaker State conventional product, Peak Performance protects against the harmful effects of friction and is backed by our 10 year/250,000 mile lubrication limited warranty, even for those who change their own oil