We offer perfomax gold. National perfomax gold diesel oil is extra high performance diesel engine oil that provides excellent lubrication of todays diesel engine promoting extended engine life. This product meets or exceeds the specification of all major european and american engine manufacturers. This oil is recommended for use in naturally aspirated and turbo-charged diesel powered equipment from leading japanese, european and american manufacturers, mixed fleets, on-highway light and heavy-duty trucking, off highway industries including construction, mining, quarrying and agriculture. features exceptional thermal and oxidation stability ensures trouble-free operation. reduced maintenance costs due to minimized engine overhaul periods. stay in grade shear stability provides wear protection and viscosity control. maintains excellent control of oil consumption. advanced detergency dispercancy leading to cleaner engines and longer component life. enhanced protection against wear.