Royal Purple HMX SAE 5W-20 High-Mileage Synthetic Motor Oil, 5 quart is specifically designed to minimize wear and restore lost performance in engines with more than 75,000 miles. Formulated with robust zinc/phosphorus anti-wear compounds combined with Royal Purple's proprietary additive technology Synerlec, HMX is chemically enhanced to revitalize hardened seals, reducing oil consumption common in high-mileage engines. In addition, HMX is fortified with stout detergents to remove engine build-up and deposits, maintain cleanliness and promote engine longevity.

Product Features:

• Specifically designed to minimize wear and restore lost performance in engines with more than 75,000 miles
• Formulated with robust zinc/phosphorus anti-wear compounds combined with Royal Purple's proprietary additive technology
• HMX is chemically enhanced to revitalize hardened seals, reducing oil consumption common in high-mileage engines
• Reduces friction and metal-to-metal contact for peak engine performance
• Also provides outstanding oxidation resistance to safely extend oil drain intervals, and an ionic attraction to metal surfaces, providing protection and minimizing wear at start-up
• Superior Engine Cleanliness: Fortified with stout detergents, this oil effectively removes engine build-up and deposits, maintaining cleanliness and promoting engine longevity.
• High-Mileage Protection: Classified as a high-mileage oil, it provides specialized protection for older engines, ensuring they run smoothly and efficiently.
• Synthetic Composition: With a synthetic oil composition and an SAE weight of 5W-20, it offers excellent performance and protection in a wide range of temperatures.