Supreme Motor Cycle Oil 4T 20W- 40, 4T 20W-50 are high performance multigrade 4 Stroke Engine Oil that are blended from highly refined base stocks and specially selected additives to meet the high temperature operating conditions in air cooled 4 Stroke two wheelers with excellent oxidation stability and, control the sludge and varnish formations. These 4 Stroke Engine oil also provide protection against wear, long engine life, higher fuel efficiency and outstanding engine cleanness.