Castrol GTX Classic 20W-50 Conventional Motor Oil, 1 Quart (Pack of 6)

Castrol Classic 20W-50 is suitable for use in automotive gasoline engines where the manufacturer recommends an API SJ or earlier specification 20W-50 lubricant. NOTE: NOT FOR USE IN MODERN ENGINES WITH CATALYTIC CONVERTERS OR WET CLUTCH APPLICATIONS
Specialized additives containing high Zinc (1400 PPM Max) and Phosphorus for extreme wear protection
Formulated to maintain tough and thick oil film even under severe conditions