Futhermore, its concentrated formula includes special detergents that both minimize sludge formation and performance-robbing deposits. Extreme Service Oil Boost enhances treated motor oil to deliver maximum engine protection. It also maintains the oil's viscosity within recommended grade without affecting performance standards or OEM specs.
- Stay-in-grade performance and protection with multiple engine oil grades
- Oil stop leak additive - Reduces leaks and driveway staining
- Best engine oil additive for older engines
- Leading-edge anti-wear protection for critical engine components
- Special burn-off inhibitors reduce oil consumption between services
- Superior cold-temp properties compared to other oil treatments
- Minimizes dark exhaust smoke