Gulf Ultrasynth ensures oil molecules coat critical engine parts reducing friction and helping to protect against wear in every driving condition giving you a Smooth drive experience and a peace of mind that your engine is protected.​ Gulf Superfleet Supreme formulated with Clean-Flow Technology, contains powerful anti-oxidants that help delay oil oxidation. It holds the soot particles in suspension to prevent harmful sludge build-up. Ensuring the engine runs cleaner for longer, delivering better maintained engine.