Transmax Limited Slip Z 85W90 is a mineral based gear oil for use in limited slip differentials in cars where API GL-5 oils with specific slip friction performance is required and it can also be used in conventional differentials. It is approved by ZF for use in their multi-disc wet brakes and self-locking differentials used in a range of commercial vehicle applications.Optimised and stable friction characteristics for effective operation of limited slip differentials throughout the drain intervalVery good wear protection, even under severe conditions, prolongs component lifeSpecifically formulated to meet friction requirements of ZF wet brakes and locking differentialsThis product supersedes / used to be known as "Castrol Axle Z LS 90 Differential Oil", which itself supersedes / used to be known as "Hypoy LS 90".Specifications: ZF TE-ML 05C, 12C, 16E, 21CApprovals: ZF002178, ZF0021791 litre bottleTechnical Data Sheet