Royal Purple XPR (Extreme Performance Racing) 20W-50 synthetic oil is engineered for high-output engines operating under extreme stress and intense heat. This specialized lubricant is a trusted choice in professional motorsports, including NASCAR, NHRA, World of Outlaws, and land-speed racing at the Bonneville Salt Flats.

Formulated with Royal Purple's proprietary Synerlec additive technology, XPR creates a tenacious ionic bond with metal surfaces. This significantly increases film strength to reduce friction and metal-to-metal contact, providing superior protection during high-RPM operation and at extreme temperatures where standard lubricants may fail.

• Viscosity: 20W-50
• Volume: 1 Quart
• Proprietary Synerlec additive technology for maximum film strength
• Reduces friction and parasitic loss for improved power output
• Superior oxidation stability and heat management
• Compatible with exotic fuels including methanol and nitrous oxide

Fits select 1982-2005 Chevrolet, Honda, Porsche, GMC, and Kia models.

Royal Purple High Performance engine oil is engineered to meet the demands of modern Gasoline Direct Injection (GDI) and turbocharged engines. This straight-grade SAE 50 synthetic formula provides superior film strength to protect critical engine components under high-load conditions where standard lubricants often fail. Featuring proprietary additive technology, this oil specifically addresses the risk of Low-Speed Pre-Ignition (LSPI), protecting against the catastrophic engine damage associated with this phenomenon.

• Grade: SAE 50 Straight-Grade
• Volume: 1 Quart (0.946 Liters)
• Base: Full Synthetic
• LSPI Protection: Formulated to mitigate Low-Speed Pre-Ignition in GDI engines.
• Wear Protection: Enhanced film strength reduces friction and wear across all engine speeds.
• Optimized Performance: Maintains engine reliability and fuel economy by keeping internal components clean and protected.

Royal Purple XPR (Extreme Performance Racing) synthetic motor oil is engineered for high-stress competition environments where maximum protection and power are critical. Formulated with proprietary Synerlec additive technology, this 10W-40 oil creates a high-strength ionic film on metal surfaces to significantly reduce friction, heat, and wear under extreme mechanical loads.

Trusted by professional teams in NASCAR, NHRA, World of Outlaws, and at the Bonneville Salt Flats, XPR is designed to handle the increased thermal demands of racing engines while minimizing parasitic loss. The synthetic base stock provides excellent oxidation resistance and thermal stability, ensuring consistent performance during long sessions or high-heat conditions.

• Product Line: XPR (Extreme Performance Racing)
• Viscosity Grade: 10W-40
• Container Size: 1 Quart
• Proprietary Synerlec additive technology for enhanced film strength
• Reduces operating temperatures and maximizes horsepower
• Formulated for high-stress racing and professional motorsport applications

Fits select 1985-2005 Honda, Isuzu, Kia, Porsche, and Subaru models.

Royal Purple High Performance SAE 40 straight-grade synthetic motor oil is engineered to meet the demands of high-load engines, including modern gasoline direct injection (GDI) platforms and classic performance applications. Formulated with advanced additive technology, this lubricant provides a superior protective barrier against metal-to-metal contact and addresses the specific threat of low-speed pre-ignition (LSPI) in forced-induction and high-compression engines.

By maintaining consistent viscosity and film strength across a wide temperature range, Royal Purple helps optimize fuel economy while minimizing wear on critical internal components like camshafts and bearings. This high-performance synthetic oil is an ideal choice for enthusiasts seeking long-term reliability and peak efficiency for their 1985-2005 select vehicle models.

• Advanced additive technology specifically designed to prevent LSPI damage
• Optimized for GDI and high-load engine environments
• Superior film strength for enhanced wear protection
• Maintains engine cleanliness and fuel efficiency
• Straight-grade SAE 40 viscosity
• Volume: 1 Quart

Royal Purple XPR (Extreme Performance Racing) synthetic motor oil is engineered to provide the high-temperature protection and film strength required in professional motorsports. Formulated for engines running at high RPMs and extreme loads, XPR combines premium synthetic base oils with proprietary Synerlec additive technology to reduce friction and improve mechanical efficiency.

• Proprietary Synerlec technology increases oil film strength and reduces metal-to-metal contact
• Exceptional thermal stability and oxidation resistance for high-heat racing environments
• Compatible with a variety of racing fuels, including alcohol and methanol
• Proven performance in NASCAR, NHRA, World of Outlaws, and land speed racing
• Viscosity: 5W-30
• Quantity: 1 Quart (0.946 Liters)

Fits select 2010-2026 Acura, Aston Martin, Buick, Cadillac, and Chevrolet models.

Royal Purple High Performance multi-grade synthetic motor oil is engineered to meet the extreme demands of modern gasoline direct injection (GDI) engines. As manufacturers move toward smaller engines with higher power densities, internal components face increased loads and the risk of low-speed pre-ignition (LSPI). This 0W-20 formula utilizes state-of-the-art additive technology to neutralize LSPI risks while maintaining superior film strength at high operating temperatures.

Designed for professional-grade protection, this oil reduces friction to optimize fuel economy and prevents sludge buildup in critical oil passages. Whether you are maintaining a high-performance daily driver or a luxury SUV, Royal Purple provides the thermal stability and wear protection necessary for long-term engine reliability.

• Prevents low-speed pre-ignition (LSPI) in turbocharged GDI engines
• Advanced synthetic formula provides superior wear protection for critical engine components
• Optimizes fuel efficiency by reducing internal parasitic friction
• Excellent thermal and oxidation stability for extended drain intervals
• Viscosity Grade: 0W-20
• Quantity: 1 Quart (0.946 Liters)

Royal Purple XPR (Extreme Performance Racing) 0W-20 is a fully synthetic motor oil engineered for high-stress competition engines where maximum protection and power recovery are critical. Formulated to handle the extreme temperatures and high RPMs found in professional motorsports, this lubricant provides a level of protection that exceeds standard mineral or synthetic oils.

The performance of XPR is driven by Royal Purple’s proprietary Synerlec additive technology. This advanced chemistry strengthens the oil film at a molecular level, creating an ionic bond with metal surfaces that significantly reduces friction and prevents metal-to-metal contact during peak loads. This results in improved thermal stability, better oxidation resistance, and consistent oil pressure throughout the duration of a race.

• Viscosity Grade: 0W-20
• Container Size: 1 Quart
• Proprietary Synerlec additive technology for high-strength film protection
• Designed for professional racing including NASCAR, NHRA, and World of Outlaws
• Increased protection against heat and friction-related wear
• Synthetic formulation resists thinning and oxidation under extreme competition loads

Fits select 1992-2018 Audi models including 90, 100, A3, A4, A5, A6, A7, A8, Q3, Q5, Q7, and RS/S performance variants (2.0T).

Royal Purple High Performance Euro Formula 5W-40 is a premium synthetic motor oil engineered specifically for the demanding requirements of European passenger car gasoline and light-duty diesel engines. This advanced formulation provides superior resistance to sludge and varnish buildup, even in severe stop-and-go driving conditions. It is fully compatible with modern emissions hardware, including turbochargers, direct injection systems, diesel particulate filters (DPF), and selective catalysts.

Developed with high-quality synthetic base stocks and proprietary additive technology, this oil offers exceptional oxidation stability and low volatility. These properties translate to reduced oil consumption and extended component life by maintaining a strong protective film under high thermal stress.

• SAE Viscosity: 5W-40
• Volume: 5 Gallon Pail
• Protects turbocharged and direct injection diesel engines with DPF systems
• Superior low-temperature flow for cold-start protection
• Enhanced corrosion and wear protection for critical engine internals
• High oxidation stability for cleaner engine operation
• Reduced oil volatility to minimize consumption between service intervals

Fits select 1992-2026 Acura, AM General, Aston Martin, and Audi vehicles.

Royal Purple Max Gear is a high-performance synthetic gear oil engineered to provide maximum protection for heavily loaded gears while optimizing power throughput in the drivetrain. This advanced lubricant is formulated to maintain a robust squeeze film even under extreme shock loads, high pressure, or low-RPM conditions, virtually eliminating wear on gear sets and bearings. Its synthetic chemistry improves fluidity and lubricity in cold climates, ensuring smooth shifting and reliable protection from the moment you start the vehicle.

Designed for longevity and efficiency, Max Gear helps components run cooler and quieter. The formula is completely noncorrosive to both ferrous and nonferrous metals, making it safe for use in various differential and manual transmission applications where a 75W90 weight is specified.

• Product Line: Max Gear
• Viscosity: 75W90
• Volume: 5 Gallon Pail
• Material: Full Synthetic
• Compatible with ferrous and nonferrous metals (yellow metals)
• Enhanced cold weather fluidity for better winter performance
• Protects against sudden shock loads and high-stress squeeze film conditions

Fits select 1986-2026 Acura, AM General, Aston Martin, BMW, Chevrolet, Dodge, and Ford vehicles.

Royal Purple Duralec Super 15W-40 is a high-performance synthetic engine oil engineered specifically for diesel engines requiring emissions-compliant lubricants. Formulated for compatibility with 2007 and 2010 emissions hardware, this oil is safe for use in systems equipped with Diesel Particulate Filters (DPF), Catalytic Converters, Exhaust Gas Recirculation (EGR), and Selective Catalytic Reduction (SCR) injection using ultra-low sulfur diesel fuels.

This synthetic formula is built to maximize component life and extend drain intervals by providing superior resistance to high-temperature thermal breakdown. Its low-temperature pumpability ensures critical engine components are protected during cold-induced startups, where the most wear occurs. Duralec Super maintains engine cleanliness and provides a tenacious film strength to protect against metal-to-metal contact under heavy loads.

• API-licensed CK-4 diesel motor oil
• Superior corrosion and wear protection
• Optimized for 2007 and 2010 emissions equipment (DPF, SCR, EGR)
• Improves fuel economy and keeps engine internals clean
• Safe for use with all engine seals
• Excellent low-temperature flow for cold-start protection
• Volume: 5 Gallon pail
• Viscosity: 15W-40

Fits select 1985-2008 Acura, AM General, Aston Martin, BMW, Buick, Cadillac, and Chevrolet vehicles.

Modern Gasoline Direct Injection (GDI) engines achieve high power and fuel economy by operating under extreme loads across all RPM ranges. These conditions often lead to Low-Speed Pre-Ignition (LSPI) and accelerated wear on critical internal components. Royal Purple High Performance 10W-30 synthetic motor oil is formulated with proprietary additive technology specifically engineered to mitigate LSPI and protect against the high-load stresses of modern downsized engines.

• Prevents LSPI-related damage in GDI and turbocharged engines
• Advanced synthetic formulation reduces friction for optimized fuel economy
• Enhanced film strength protects internal components from metal-to-metal contact
• Superior oxidation stability helps maintain performance over extended service intervals
• Compatible with fuels containing ethanol
• Viscosity Grade: 10W-30
• Volume: 5 Gallon Pail

RockJock High-Moly Petroleum Grease is a specialized lubricant formulated to maintain the performance and longevity of Johnny Joint rod ends and high-articulation suspension components. Unlike many synthetic or non-moly greases that can dry out over time, this petroleum-based formula uses a high concentration of molybdenum disulfide to provide a persistent, low-friction barrier that prevents component wear and eliminates the squeaking often found in off-road suspension systems.

This grease is specifically engineered for use with greasable bolts and rod ends found in steering systems, heavy-duty leaf spring shackles, and RockJock suspension kits. It provides superior protection under the heavy loads and constant movement typical of competition and recreational off-road use.

• Formula: High-molybdenum disulfide (moly) petroleum-based lubricant
• Container: 14oz tube (standard grease gun compatible)
• Compatibility: Johnny Joint rod ends, steering rod ends, and greasable hardware
• Key Benefits: Reduces friction, prevents component seizure, and eliminates dry-grease squeaking