SR-1 SAE 5W-40 is Catalytic Converter Safe and O2 sensor safe.
Recommended for stock, tuned or modified street, light truck and sport vehicles where and SAE 5W-40 is specified. Approved for turbo and super charged applications. Provides exceptional cold temperature performance over conventional (petroleum) motor oils within the same viscosity grade.
Exceeds: API SN/ SM / SL / CF and ACEA C3-12, MB 229.51/229.31/226.5, VW 505.00/502.00, BMW Long Life – 04, Renault RN0710/0700, Porsche A40.