Stirlings Racers 10W-50 A synthetic engine oil based on carefully selected high quality synthetic base oils, all of which already have a natural, high viscosity index and which advanced and well balanced additives in order to obtain the following properties:
- a very low tendency to evaporation
 - a high and very stable viscosity index
 - a good resistance against shearing
 - a high resistance against aging
 - a safe lubrication film at low and very high temperatures
 - a very good detergency and dispersion power
 - a very strong protection against wear, corrosion and foaming.