“People buy this product because they need an excellent CVT fluid” This is a fully synthetic continuous variable transmission fluid that is developed for modern variable transmissions. It protects metal-to-metal contact points, belts, and pulleys. It has excellent corrosion protection properties and increases the transmission lifetime. This product is specially formulated to use in CVT boxes that use steel push-belts or chains. Please note that this product is not suitable for Hybrid vehicles.