Shell Oils and Lubricants Shell Helix Ultra Professional AF 5W-30 is a fully synthetic engine oil designed to meet the demanding requirements of particular high-performance engines, including Ford and those requiring ACEA A5/B5. The Repco range of 5 litre Shell Helix HX3, HX5, HX7 and Shell Helix Ultra engine oils give you a choice of mineral oil, semi-synthetic oil and full synthetic engine oil, all of which use Shell's Active Cleansing Technology to clean and maintain as it lubricates your engine. Repco also stocks a range of Shell Advance motorcycle engine oils, Rimula truck oils and Gadus greases. Shell is one of the biggest and most trusted brands in automotive around the world. With a long history in Australasia spanning nearly 120 years with not just supply but oil exploration and production. Shell has been instrumental to the success of The Scuderia Ferrari Formula One team and have had a technical partnership with the team since 1950, from their they won their first race in 1951 through to the modern successes with Michael Schumacher, Sebastian Vettel, Charles Leclerc and Kimi Raikkonen. Not sure what engine oil is right for your car? The complete range of Shell can be found online or at your nearest Repco store.