Lucas Hot Rod & Classic Car Motor Oil SAE with the highest quality paraffinic base oils a unique additive package containing high levels of zinc, molybdenum and phosphorus, providing a tougher, thicker additive film for maximum protection under the most severe conditions. Improves the film strength between the cylinder wall and piston rings and slows oil burning. Improves oil pressure in worn engines. Good cold temperature properties and stands up to high operating temperatures. It is compatible with methanol and all racing fuels, as well as with synthetic and non-synthetic oils. Lucas Hot Rod & Classic Car Motor Oil is for muscle, showroom, classic and trophy cars without catalytic converters. It can be used in racing applications. Not recommended for passenger car use.