Advantages:

During its working life, your engine faces challenges from combustion by-products that can form deposits, and thicken
the oil. Castrol CRB Multi 20W-50 CF-4 combats these issues in two ways:
It contains cleaning agents which displace particles that may otherwise build up on your engine surfaces
reducing deposits.
-It also contains anti-oxidants which disrupt the chemical reactions that can lead to oil thickening.
-Castrol CRB Multi 20W-50 CF-4 provides effective piston deposit control and maintains its viscosity to encourage long and healthy engine life.