I found out an interesting fact today. The entire line of Castrol Syntec (except GC) is manufactured and bottled in the ARG refinery in Bradford, PA.
I'm not sure if they supply 100% of the Syntec for Castrol or if there are multiple contracts including other refineries.
I'm not sure if they supply 100% of the Syntec for Castrol or if there are multiple contracts including other refineries.