Why should I use a high mileage oil
Is HMX® different from your API-licensed engine oils?
August 17, 2018Are Royal Purple Extended Life Oil Filters compatible with all conventional and synthetic oils?
August 17, 2018A properly formulated High Mileage oil like HMX will help reduce oil consumption and restore lost power. HMX is chemically enhanced to revitalize hardened seals reducing oil consumption common in higher mileage engines.