Royal Purple® HMX® High Mileage Motor Oil – Set of 6 (1 Qt Bottles)

Restore Power and Extend Engine Life in High Mileage Vehicles

Royal Purple® HMX® High Mileage Motor Oil is engineered for engines with over 75,000 miles, using a powerful combination of high zinc/phosphorus anti-wear additives and proprietary Synerlec® technology to fight wear, restore performance, and reduce oil consumption.

Unlike conventional oils, HMX is chemically enhanced to revitalize hardened engine seals, cut down on leaks, and clean up sludge left behind by lower-grade lubricants. The result? Improved engine longevity, restored responsiveness, and peace of mind for drivers who want to keep their vehicle running stronger, longer.

Key Benefits & Performance Features:

• ✅ Formulated for Engines Over 75,000 Miles
• ✅ Zinc & Phosphorus Additive Boost – Superior anti-wear protection
• ✅ Synerlec® Technology – Reduces friction, increases oil film strength
• ✅ Seal Conditioning Agents – Helps restore hardened seals & reduce oil burn
• ✅ Reduces LSPI Risk – Better protection for modern turbocharged engines
• ✅ Improves Engine Cleanliness – Stout detergents clean and maintain internals
• ✅ Outstanding Oxidation & Corrosion Resistance – Extends drain intervals

Recommended For:

• Any four-cycle gasoline engine with 75,000+ miles
• Classic cars, trucks, daily drivers, and high-mileage performance vehicles
• Applications requiring API SL certified oil (2004 and earlier)

What’s in the Box:

• (6) 1-Quart Bottles of Royal Purple® HMX® High Mileage Synthetic Motor Oil
• Choose from 10W-30 or 5W-30 viscosities

Note:

• API SL rating – Recommended for vehicles model year 2004 or older
• Not recommended for engines requiring low-SAPS or modern Dexos-certified oils
• Always consult your owner’s manual for proper oil specifications

Engineers formulated Royal Purple® HMX® to restore high-mileage engines with premium wear protection, reduced oil consumption, and cleaner internals—giving your vehicle a second wind for the miles ahead.

Brand: Royal Purple®
Type: Full Synthetic, High Zinc, High Mileage Motor Oil
Viscosity Options: 10W-30, 5W-30
Volume: 1 Quart (Each) – Set of 6 Quarts