Fully synthetic motor oil Shells most advanced formulation for high-performance engines. Todays vehicles need a motor oil that keeps pace with their changing demands and does more to improve performance and engine life. This is why Shell came up with an entirely new way to produce synthetic base oils made from natural gas with our patented Shell Pure Plus Technology. Shell Helix Ultra is a range of top-tier motor oil that is formulated using the unique Shell Pure Plus Technology yielding a motor oil that actively helps keep engines clean. Active Cleansing Technology has always been at the heart of Shell Helix. Starting with the unique Shell Pure Plus Technology allows the product to provide even higher levels of cleansing and protection. Insurpassed sludge protection no other motor oil can keep your engine closer to factory clean 1. Exceptional protection and cleansing even at the longest manufacturer-recommended oil-drain intervals. Approved for use by numerous makers of high-performance vehicles and is the only motor oil used by Ferrari.