Engine oils and lubricants from the UK, part of bp plc, with a motorsport history that stretches from land speed records to rally, Le Mans and touring cars. Castrol GTX, Magnatec and Edge are shelf staples in auto retail chains everywhere, covering everything from a high-mileage daily driver to a turbocharged performance engine. Most enthusiasts have run at least one of its oils, and many restorers still hunt down its classic tins.