Strength for advanced power and protection Castrol edge with syntec power technology, formerly known as syntec, has a unique and proprietary formula that reduces volatility and provides superior protection for critical engine parts helping your vehicle operate efficiently at maximum power. Castrol edge with syntec power technology delivers: Power: 42% better rating on fighting power-robbing deposits [1] Protection: superior engine protection against corrosive particles versus conventional and synthetic blend oils [2] Performance: superior performance against deposit, wear and oxidation, meeting the toughest industry requirements [2] Castrol edge with syntec neutralizes acids in your engine that can cause rust and corrosion on vital engine parts, such as cylinders, bearings and hydraulic valve lifters, as well as provides stability and endurance under extreme conditions (heat, load, speed, etc.) that can cause conventional oils to break down. Best of all, edge can be used with confidence in every gasoline-engine passenger car, new or old, regardless of oil previously used. [3]
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