Castrol Classic ST 90

Castrol Classic ST 90 Gear Oil      API: GL-3

Castrol Classic ST 90 Gear Oil is a gear oil formulated with high quality mineral oils. It contains anti-oxident and anti-wear addatives to protect gear teeth against wear in gear boxes and axles. It is suitable for most types of gears including Helical, Spur, Bevel and Worm gears. But is should NOT be used for Hypoid gears. 

Designed for use with sensative (yellow) metal components such as Brass and Bronze, and in older vehicles where previous werar may have occured.

• Mono-grade "SAE 90" gear oil
• For gear boxes and differentials where a non low EP gear oil is specified
• Use where "Castrol Swanshot" has been specified
• For Straight Cut gears

Castrol has over 100 years of experiance in developing fluids for gearboxs and all types of transmissions. These products have long been the leading choice manufacturers for factory-fill products. There is a whole range here of lubricants for vintage vehicle specifications. 

Castrol's gear oils are specifically designed to meet the demands of older gearbox systems. This range of straight oils should be used for the sensative metals found in older vehicles - right through to extreme pressure oils specified for newer classics.  

Also, included in this range of lubricants are semi-fluid greases and automatic transmission fluids, to ensure all aspects of your treasured classic are taken care of.

As the first-fill for many marques, with this Castrol Classic range, owners can continue to follow the manufactuer's original handbook reccomendations.

Feeding your vehicle with the correct fluids is key to ensuring your mechanicals continue to operate as they were designed to.