GET YOUR FREE AMSOIL PRODUCT CATALOG AMSOIL Synthetic Z-ROD Motor Oil is a high-performance synthetic oil for classic and high-performance cars. Z-ROD Motor Oil is made with high-quality synthetic base oils and advanced additives. That will provide superior protection against wear, deposits, and rust. This oil is specially designed to protect the engine components of … Continue reading AMSOIL Synthetic Z-ROD 10W-40 Motor Oil