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$162.99
Royal Purple’s Duralec® Super Diesel Motor Oil – 15W-40 is a premium-grade synthetic engine oil engineered for modern diesel engines equipped with advanced emissions control systems. Formulated for performance and durability, it meets the stringent requirements for 2007 and 2010 EPA emissions-compliant engines using Ultra-Low Sulfur Diesel (ULSD) fuels in North America and Europe.
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$107.94 – $334.99
Max Gear® High Performance Gear Oil is a premium synthetic lubricant engineered for maximum protection and efficiency in high-stress driveline applications. Designed for use in open, limited-slip, and locking differentials, this advanced formula from Royal Purple optimizes power transfer, extends component life, and enhances drivetrain performance—especially under extreme load and temperature conditions.
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$192.99
Unlock serious street power and protection with Royal Purple® HPS® 5W-30, the synthetic motor oil engineered for high-performance and modified engines. Designed for vehicles outside factory warranty, HPS is fortified with high zinc/phosphorus additives and Synerlec® technology to deliver unmatched protection, horsepower, and longevity under the most demanding conditions.
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$89.94
Built for power, protection, and performance, Royal Purple® Max-Cycle® SAE 20W-30 Synthetic Motor Oil is a premium synthetic motor oil engineered to meet the extreme demands of high-performance 4-cycle engines and transmissions. Ideal for both air-cooled and liquid-cooled engines, Max-Cycle delivers superior protection for motorcycles, ATVs, UTVs, and other powersport vehicles—on the street or the trail.
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$101.94
Push your engine to the limits with Royal Purple® XPR® SAE 5W-20 Racing Motor Oil, engineered for maximum power, protection, and endurance. Trusted by top-tier motorsports teams from NASCAR® and NHRA® to Bonneville Salt Flats, this synthetic racing oil is built for extreme conditions and peak performance.
