Nulon Semi-Synthetic 75W-80 Smooth Shift is a semi-synthetic based gear oil suitable for use in both manual transmissions and transaxles that recommend API GL-4 is used. The semi-synthetic base oils provide superior film strength and increased protection compared to mineral oils. Nulon 75W80 Smooth Shift offers excellent thermal stability for optimal performance in varied operating temperatures while also providing smooth shift performance during start up. Nulon 75W80 Smooth Shift also contains extreme pressure additives for extra protection in heavy load and severe service applications. Nulon 75W80 Smooth Shift is also suitable as a performance upgrade where monograde SAE80 is used. Nulon EZY-SQUEEZE makes DIY easy. The innovative packaging features a flexible applicator hose to easily fill hard to reach fill points. Be sure to pick up the Nulon FILLER-TOOL, designed for vehicle specific applications this allows the applicator hose to attach directly to the fill point, creating a fuss free experience. No pumps, no funnels, less waste and less time. To find the manual transmission or diff oil 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.