SEMISYN HIGH PERFORMANCE ENGINE OIL SAE 20W50 1 GAL

Superior protection at any temperature | Shear-stable, ester-based formula maintains oil viscosity and film thickness | 2X Zinc System provides maximum protection for flat tappet cams and roller cams | World-class, proprietary additive system and esters combine to virtually eliminate oxidation and wear | Surface-active chemistry aggressively attaches to engine surfaces and keeps them clean