Monarch Syn Select motor oils are fully synthetic, high performance, all – season motor engine oils developed for all types of automotive fleet equipment, specifically for the passenger car engines where an API SN, SM, SL or SJ performance level is specified. These advanced oils have significantly improved oxidation stability, added detergent and a unique additive package to provide maximum protection over the life of the oil. Monarch Syn Select motor oils protect today’s smaller six-cylinder and four-cylinder engines, turbocharged engines as well as older, larger engines.
Monarch Syn Select
