We proudly recommend our Hot Rod & Classic motor oil – 10w40: 5 litre for your performance V8 engines. This premium SAE 10w40 motor oil is specially designed to provide superior protection and performance, containing high levels of ZDDP (Zinc) to safeguard flat tappet cams, lifters, and pushrods. With excellent thermal stability, it ensures reliable performance even under overheating conditions. Additionally, it contains special Lucas additives to protect against rust, corrosion, and dry starts, making it ideal for engines that experience long periods of non-use. Trust in the quality and expertise of Precision Regrinds to keep your classic car running smoothly.