AMSOIL DOMINATOR® SAE 15W-50 Synthetic Racing Oil

This is by far one of the best oils you can get for your beloved car! However, if your car is not modified and you daily drive it around town, we recommend using the 10W-30 Signature Series.
 
 
DOMINATOR® 15W-50 Racing Oil

 
Multi-viscosity, shear-stable synthetic race formula engineered to maximize power while providing outstanding engine protection. Heavily fortified with zinc and phosphorus additives to protect critical surfaces in extreme conditions. Proprietary friction modifier maximizes power and reduces engine temperatures. Durable additive system is excellent for racing and street engines.
See the product data sheet for full details.
FIGHTS ENGINE WEAR
Durable formulation resists viscosity loss due to mechanical shear to maintain a strong protective oil film.
Heavily fortified with zinc and phosphorus anti-wear additives to provide additional protection against scuffing and wear in severe racing conditions.
MAXIMIZES HORSEPOWER
Formulated with a proprietary friction modifier to reduce energy lost to friction.
Delivers maximum horsepower and cooler engine temperatures, promoting improved lap times and longer-lasting components.
EXCELLENT ALL-TEMPERATURE PERFORMANCE
Low pour point offers excellent startup protection and provides less drag when the oil has not reached operating temperature.
Maintains superior film strength in extreme heat.
Thermally stable synthetic chemistry resists the effects of intense heat common to racing engines to provide reliable protection for the duration of the race.
 
More info about the product here