![Save Every Drop of Horsepower with UPPER CYLINDER LUBRICANT Save Every Drop of Horsepower with UPPER CYLINDER LUBRICANT](https://syntheticwarehouse.com/wp-content/uploads/2020/04/UCL-magazine-image-128x205.jpg)
AMSOIL UPPER CYLINDER LUBRICANT: Preserves Horsepower; Performance New as of October 2019: AMSOIL Upper Cylinder Lubricant (UCL) is the latest addition to the gasoline additive lineup. It delivers more lubricity than the competition and battles ethanol-related corrosion. Upper cylinders are…