AMSOIL Introduces New Z-ROD™ Synthetic Motor Oil AMSOIL now offers a synthetic motor oil engineered specifically for classic cars and performance vehicles. Available in 10W-30 and 20W-50 viscosities, AMSOIL Z-ROD Synthetic Motor Oil (ZRT, ZRF) features high-quality synthetic base stocks and a proprietary additive package tailored to perform on the street and protect during storage. AMSOIL Z-ROD Synthetic Motor Oil is formulated with high levels of ZDDP to protect flat-tappet cams, lifters, rockers and other areas susceptible to wear. Its high-zinc, high-phosphorus formulation provides the extra wear protection these critical splash-lubricated components require. Z-ROD Synthetic Motor Oil will be available at all AMSOIL distribution centers by the first week of May. See the May AMSOIL Magazine for more information.