Castrol Edge Euro 5W-30 A3/B4 European Advanced Full Synthetic Motor Oil, 5 Quarts

Castrol EDGE Motor Oil - Castrol's Strongest Engine Oil Castrol EDGE is an advanced full synthetic motor oil, engineered to deliver the optimal combination of performance and protection for drivers who want only the best from their engines.

Castrol EDGE has been proven to be 3X stronger* than the leading full synthetic against viscosity breakdown and to protect against sludge, wear and deliver unsurpassed thermal stability beyond the requirements of the latest industry standard.

Unlock your engine's performance with every drive.

Better Oil for Maximum Performance * In viscosity breakdown as measured in Kurt Orbahn test on 5W-30 grade Castrol EDGE High Mileage helps extend the life of the emission system.