Why choose Castrol EDGE 5W-40 A3/B4?

Learn more about the benefits of Castrol EDGE 0W-40 A3/B4 engine oil and see if it's right for your vehicle.

For over 15 years now, Castrol EDGE has been helping drivers unlock the very edge of performance, and the current generation of Castrol EDGE engine oils are no different.

Formulated with advanced full synthetic technology, Castrol EDGE products are tested to the highest standards to deliver the high-performance levels expected by drivers and by world-leading car manufacturers in their latest engine technology.

The ultimate test of performance, on the track Castrol EDGE products are pushed to the limit by some of the best in world motorsport including BWT Alpine F1 Team, Ford M-Sport, and in Supercars by the likes of Tickford Racing.

Choose Castrol EDGE and unlock the very edge of performance.

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