This Silkolene BOA 90LS oil is specifically designed for use in high performance (plated) limited slip differentials (LSDs)
This includes the LSDs fitted to cars like the BMW and Toyota Corolla as well as aftermarket LSDs like Kaaz, Cusco, TRD, OS Giken

These are 1litre bottles, most LSDs take around 1.5 litres.


Note - although people have used this oil in Nismo LSDs without any problems, Nismo recommend that a synthetic oil is used instead.