Leak Doctor

Leak Doctor is a multi-functional oil additive especially suitable for use in high mileage or older vehicles. The special additives work in all oils to stop leakage caused by hard and brittle old seals, and help recover “like new”performance. – Reduces oil leaks by softening and expanding old seals – Improves lubrication, reduces oil consumption and exhaust smoke in worn engines – Increases engine compression and reduces wear. – Cushions regular impact areas such as tappets, cams and gears