Sierra Full Synthetic 4-Stroke Engine Oil SAE 30

Sierra Full Synthetic 4-Stroke Engine Oil SAE 30 is a blend of fully synthetic base oil and a balanced additive designed to exceed  FC-W regulations for marine engine oils and made specifically for petrol and diesel inboard and sterndrive engines.

• Superior start up, operation and storage engine protection
• Reduces friction and therefore wear on engine for extended life
• Longer lubrication duration than mineral oils
• Reduces oil consumption and increases fuel efficiency