A true long lasting performance lubricant, Provides excellent thermal stability in case of overheating, It contains the high levels of ZDDP (Zinc) necessary to protect flat tappet cams, lifters, and pushrods, Designed to be compatible with methanol and all racing fuels, as well as with synthetic and non-synthetic oils, Oil contains special Lucas additives that protect against rust, corrosion, and dry starts associated with long periods of non-use.