CASTROL MAGNATEC STOP-START 5W-30 ENGINE OIL 10LPart No. 3423350 Type ENGINE OIL Brand CASTROL Unit of Measure EACH Description Castrol Magnatec Stop Start 5W 30 Engine Oil 10L Warranty No Warranty MSDS Click Here Type Semi Synthetic Item Type Oil (Engine) Viscosity 5W 30 Litres 10ltr ACEA specification A3 B4 Exceeds API specification SN Features FULL SYNTHETIC Castrol MAGNATEC STOP START 5W 30 contains intelligent molecules that cling to engine parts when the oil drains down Form a self healing