Product Description Vigor is a very high performance lubricant for diesel engines. It is formulated with the combination of high performance additives and highly refined base stocks which ensure the control and sweeping away the soot and particles found in high performance engine. Download Product 10W30-10W40-15W40-20W50 Data Sheet Product Code API MEETSExceeds Grade MSDS GYD-4140/CI1030 Cl-4 10W30 Download GYD-4145/CI1040   Cl-4 10W40 Download GYD-4150/CI1540 Cl-4 15W40   Download GYD-4155/CI2050   Cl-4 20W50   Download