Benefits of Synthetics
ADDITIVES
EDGE contains a Powerful Additive Package that neutralizes corrosive particles, preventing them from grouping together.BURN-OFF
EDGE delivers the ultimate performance under high-temperature conditions: unsurpassed protection against volatility burn-off and viscosity increase.COMPATIBLE
EDGE is fully compatible with all conventional and synthetic oils.CONFIDENCE
EDGE can be used with confidence in every gasoline engine passenger car, new or old, regardless of oil previously used.HORSEPOWER
In extreme tests, Castrol EDGE 5W-30 maintains maximum horsepower longer than the leading conventional oil.NEUTRALIZE
Neutralizes acids in your engine that can cause rust and corrosion on vital engine parts such as cylinders, bearings and hydraulic valve lifters.PROTECTION
EDGE provides superior protection against deposits. Corrosive particles such as acid, soot and oxidized fuel fragments can cause costly damage to critical engine parts.STABILITY & ENDURANCE
EDGE provides stability & endurance under extreme conditions (heat, load, speed) that can cause conventional oils to break down.TORTURE
EDGE offers a level of protection that Outperforms All Leading Conventional Oils, passing severe industry torture tests.TOUGHEST
EDGE meets the world's toughest gasoline engine protection requirements.Castrol EDGE is fully compatible with all conventional and synthetic oils.
*Results based on industry standard Sequence IVA wear test.
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