BR40 SAE 10W-40 | Quart outdoor multi-viscosity or straight grade motor

multi-viscosity or straight grade motor oils

Viscosity typical of 5W-40

supercharged and turbocharged engines that call for a 5W-20 viscosity

Exceptional Engine Cleanliness: Powerful detergents and dispersants keep the engine clean

/ Dedicated Racing or High Boost Levels where a synthetic oil is desired

BR40 SAE 10W-40 | Quart outdoor multi-viscosity or straight grade motorBR40 SAE 10W 40 Break In Motor Oil The same high Zinc and Phosphorus formula as our original break in oil, now in SAE 10W 40 viscosity. Well suited for classic muscle car, European sports car and motorcycle engines. Ideal for flat tappet and aggressive roller valve trains, as well as Ethanol blended, pure Methanol and oxygenated race fuels. Does not require additional ZDDP additives. Good for dyno testing, one night of racing or up to 400 miles on the