Castrol B373 Racing Gear Oil SAE 90 B 373 1 Litre 1L Extreme Pressure Gear Oil

While topping up the oil at that frequency may be annoying and possibly expensive, there is generally nothing to worry about. SAE Viscosity: 90W. Application: Gear Oil. In the vast majority of cases, there is no need to flush the engine and flushing can be harmful.

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