Penrite 10 Tenths Racing 10 10W-40 is a premium full synthetic, competition proven engine oil designed for use with high performance naturally aspirated, turbo and supercharged petrol and diesel engines. Penrites shear free formula assists in maintaining consistent oil pressure and eliminates viscosity loss to extend engine oil life. It is blended using 100% synthetic PAO and Ester base oils alongside the zinc anti-wear additives package to provide outstanding wear protection and engine performance while advanced cleaning and detergent additives deliver exceptional engine cleanliness and protection against build-up of harmful sludge, varnish and wax that ensures oil integrity and protection across the service life. Penrite 10 Tenths Racing 10 is suitable for use in a wide range of local and imported vehicles that require API SN/CF or earlier 10W-30 or 10W-40 engine oils are used. Penrite 10 Tenths Racing 10 is suitable for use in petrol, LPG, E10, E85 (racing and competition only), Diesel (Without DPF), avgas, nitro and methanol engines. This oil is not suitable for use in motorcycles fitted with wet clutches. The Penrite 10 Tenths Racing range of products are designed to provide the ultimate in protection and performance for race, competition and high performance vehicles. Used by many factory race teams, Penrite 10 Tenths Racing gives you the confidence required to protect your pride and joy. To find the oil type and viscosity suggested for your vehicle; either add your vehicle to My Garage or check with your manufacturer, vehicle user manual, your local mechanic or head in-store and talk to one of our friendly team.