Push Your Transmission to the Limit.
Designed specifically for high-performance and racing environments, Lucas Semi-Synthetic Racing Automatic Transmission Fluid Type F delivers the durability, shift response, and heat resistance demanded by serious enthusiasts and professionals. This advanced formula blends premium paraffinic and synthetic base oils (Groups II+ and III) with shear-stable synthetic polymers and a high-performance additive package — engineered for transmissions that must perform under extreme stress.