Check out the video below as AMSOIL introduces their new Z-ROD at the unveiling of the 2011 Road Tour '55 Chevy. It is a synthetic motor oil engineered specifically for hi-po engines such as the 409 resting beneath the hood of the Tri-Five. Available in 10W-30 and 20W-50 viscosities AMSOIL Z-ROD Synthetic Motor Oil features high-quality synthetic base stocks and ...a proprietary additive package tailored to prevent wear and provide maximum protection during storage.
AMSOIL Z-ROD oil is formulated with high levels of zinc, and zinc is critical for wear protection in the flat-tappet engines of classic cars and other earlier-model high-performance vehicles. AMSOIL Z-Rod provides exceptional protection for flat-tappet cams, lifters and rockers.