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Royal Purple Max ATF transmission fluid is a synthetic, high-performance, long life, multipurpose automatic transmission fluid suitable for use in many of today's vehicles. Max ATF is more oxidation-stable than other transmission fluids, and greatly resists breakdown from heat and loss of proper lubricity. It is fully compatible and can be mixed with other automatic transmission fluids; however, for the best results, drain or flush your current oil and then fill with Royal Purple Max ATF.
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$89.94
Professional race teams from variety of motorsports including NASCAR, NHRA, World of Outlaws and Bonneville Salt Flats have credited increased horsepower and longer engine life to the use of Royal Purple XPR Extreme racing oil. It provides more protection than conventional motor oils, thanks to Royal Purple's proprietary, advanced Synerlac additive technology. This synthetic blend is available in a variety of oil weights; order the formula recommended for your racing application.
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$101.94
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$105.24
Royal Purple HPS High Performance Series motor oil is specifically formulated to maximize performance and meet the demands of high performance and modified engines. HPS is recommended for vehicles no longer under manufacturer warranty and for those seeking a higher level of performance and protection. Royal Purple HPS oils are fortified with a high level of zinc/phosphorus anti-wear additive and a generous dose of Royal Purple's proprietary Synerlec additive technology. These unique formulations enable HPS oils to outperform leading synthetic and conventional lubricants in both gasoline and diesel engines.
( 300 )
$59.94
Royal Purple Synchromax manual transmission fluid is recommended for manual transmissions that specify an automatic transmission fluid or motor oil. It is also ideal for 4x4 transfer cases and/or 2-cycle motorcycle gear boxes. Synchromax is formulated with Royal Purple's synthetic, proprietary Synerlec additive technology, which offers improved shift quality over a wide temperature range and reduced gear noise. It is fully compatible with all types of friction materials, and offers excellent oxidation and corrosion protection, without affecting the soft metals commonly found in manual transmission synchronizers.
( 80 )
$105.90
Royal Purple Premium High Performance motor oil combines premium synthetic base oils with proprietary additive technologies to exceed protection and performance requirements of new modern engines. These often include smaller displacements, turbo chargers, gasoline direct injection (GDI), and start/stop systems. Modern gasoline direct injection (GDI) engines have achieved levels of power and fuel economy never before possible in passenger car engines. As a result, smaller engines operate at much higher loads across all engine speeds. This has caused increased wear in critical areas of the engine, and created a destructive phenomenon called low-speed pre-ignition (LSPI). The unique, state-of-the-art additive technology in Royal Purple High Performance engine oils is designed specifically to address these issues, and help engines maintain performance and reliability.
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$59.94
Royal Purple Max-Gear is an ultra-tough, high performance GL-4 and GL-5 automotive gear oil designed to provide maximum protection to heavily loaded gears, while maximizing power throughout the drivetrain. It outperforms many other oils because it combines the highest quality synthetic oils with Royal Purple's proprietary Synslide additive technology. Max-Gear makes your gears run smoother, quieter, cooler, and longer without overhauls.
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$94.46
On Sale
Royal Purple Duralec Ultra diesel motor oil is specifically formulated to maximize performance and meet the demands of today's heavy-duty engines. Duralec Ultra is fortified with a high level of zinc/phosphorus anti-wear additive, along with Royal Purple's proprietary Synerlec additive technology. Synerlec creates a tenacious ionic bond with metal surfaces, providing protection upon startup, and greatly increased film strength that helps to eliminate metal-to-metal contact, even under severe conditions. Additional performance advantages include: * Superior corrosion protection * Low coefficient of friction results in optimized fuel efficiency * Better wear protection * Natural solvency keeps engines cleaner than detergents alone * Oxidation and heat stability greatly extends oil drain intervals * Compatible with other mineral and synthetic motor oils * Reduces exhaust emissions * Mates engine parts * Will not harm seals * API warranty compliant * Recommended for 2- and 4-cycle diesels; including automotive, commercial fleet, and stationary industrial applications
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$107.97
$97.17
Royal Purple Max-Clean Fuel System Cleaner & Stabilizer is a state-of-the-art performance fuel system cleaner that maximizes the performance of your fuel system. It restores fuel economy and deeply penetrates and cleans fuel injectors, carburetors, intake valves, and combustion chambers. Max-Clean is EPA/CARB compliant, safe for use in gasoline and diesel engines, and can be used with all ethanol blends or biofuels. It can also be used in both 4-cycle and 2-cycle engines and will not harm vehicle emissions equipment.
( 53 )
$65.94
On Sale
Royal Purple Duralec Super diesel motor oil is a high performance engine oil made for emission-controlled diesel engines utilizing emissions equipment such as: DPF's, catalytic converters, EGR, and SCR injection. It is specifically formulated to maximize component life, extend drain intervals, and improve fuel performance. As a premium synthetic formulation, Royal Purple Duralec Super has excellent high-temperature break-down resistance and low-temperature pump ability to minimize cold induced startup wear. Duralec's stable additive package has good soot dispersancy to protect against oil thickening and abrasive wear, while providing rust and corrosion protection, as well as helping to prevent varnish and sludge formation.
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$86.97
$78.27
Royal Purple HMX high-mileage motor oil is specially formulated with robust zinc/phosphorous anti-wear additives and proprietary Synerlec technology to minimize aging and restore lost engine performance. It's chemically-enhanced to revitalize hardened seals, thereby reducing oil consumption common in higher mileage engines. Stout detergents remove engine deposits and maintain cleanliness to promote engine longevity. Royal Purple's advanced Synerlec technology provides exceptional film strength, which lessens friction for peak engine performance. HMX high-mileage motor oil offers outstanding oxidation resistance to safely extend oil drains; plus an ionic attraction to metal components to maintain a film of oil on engine parts, minimizing start-up wear.
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$50.99
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$59.94
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