- SYNTEC provides stability & endurance under extreme conditions (heat, load, speed) that can cause conventional oils to break down.
- SYNTEC delivers the ultimate performance under high-temperature conditions: unsurpassed protection against volatility burn-off and viscosity increase.
- SYNTEC neutralizes acids in your engine that can cause rust and corrosion on vital engine parts such as cylinders, bearings and hydraulic valve lifters.
- SYNTEC contains a Powerful Additive Package that neutralizes corrosive particles, preventing them from grouping together and forming sludge.
- No leading motor oil provides more horsepower (10W-30 as tested vs. leading competitive 10W-30S).
- In extreme tests, Castrol SYNTEC 5W-30 maintained maximum horsepower longer than the leading conventional 5W-30.
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