HR5 Conventional 10W-40 Hot Rod Motor Oil (1 qt. bottle) has ZDDP anti-wear additives, military spec storage protection, start-up protection, & excellent seal compatibility. It is designed specifically for Hot Rods & classic vehicles.
Well suited for a variety of hot rods and vintage vehicles and is appropriate to use in any engine that calls for a 10W-40 grade motor oil. Features storage protection additives that guard against rust and corrosion during winter storage. This oil is an excellent choice for muscle cars and rotary engines. No ZDDP or additives required. Viscosity typical of 10W-40.