Viscosity is a fluids resistance to flow. In everyday terms this mean its "Thickness" or "Internal Friction"
Modern engine oils are multigrade viscosities which means that the oil meets certain low-temperature and high-temperature requirements simultaneously. Mono grade engine oils were commonly used prior to multigrade oils being available. Many manufacturers recommended a lighter grade such as Mono 30 (SAE 30) in colder winter months and a heavier Mono 40 or 50 (SAE 40 & SAE 50) grade in the warmer or summer months. Many vehicles can substitute a multigrade oil for a monograde oil especially those that ran summer and winter grades of oil. Please refer to the Penrite Lube Guide for the correct product for your application.
Click Here to learn more about oil viscosity and the Penrite Extra Ten.
Mono Four Stroke SAE 30, Premium Mineral, API SG/CD
HRR Gas 20W-60, Premium Mineral, CG-4/SL
HPR 30 20W-60, Premium Mineral, SM/CF, A3/B3
Classic Light 20W-60, Premium Mineral, SG/CD
Shelsley Light 20W-60, Premium Mineral, SC/CC
Penrite recommends the right product for the right application. Click here to visit the Penrite Recommendation Guide.