Athena Progear FS 75W-80 is a premium quality fully synthetic manual transmission fluid recommended for use in a wide range of passenger cars and light duty commercial vehicles. It exceeds the performance levels of more conventional API GL-4/GL-5 lubricants in terms of synchroniser performance, thermal and oxidative stability, shift quality and fuel efficiency. Athena Progear FS 75W-80 is formulated with premium base oils and advanced additive technology to ensure component durability over extended periods.