Marvel Mystery Oil Original Motor Treatment, Engine Oil & Fuel Treatment Additive, Cleans and Lubricates Fuel System, Prevents Leaks, Improves Engine Performance and Fuel Economy, 128 oz. (Pack of 4)

Marvel Mystery Oil offers long lasting protection to your car's hard-working engine, by cleaning and adding a lubricating layer unparalleled by the other so called Motor Treatments. Marvel Mystery Oil is one product with a variety of uses and benefits. Add Marvel to your gas tank to restore overall engine performance since it provides superior cleaning, reduces wear and tear, creates top end lubrication and sludge control and much more. Marvel's benefits are not limited to automotive vehicles but can help anything with an engine. Try in motorcycles, farm equipment, lawn equipment, chain saws, marine vehicles, and ATVs.

• TRUSTED FOR 100 YEARS: Working as both a fuel additive & oil additive, our original formula cleans, lubricates and protects critical engine components to keep your car running smoother and longer
• ENGINE CLEANER & PROTECTOR: Delivers a protective lubricating film that reduces friction, wear and corrosion inside your engine, extending the life of pistons, cylinders and valves
• POWERFUL FUEL SYSTEM CLEANER: Removes carbon deposits and gum build-up in carburetors, fuel injectors, and intake valves for improved fuel efficiency and smoother engine performance
• OIL ADDITIVE & LUBRICANT: Use in engine oil to reduce noise, doubling as a car engine lubricant for smoother start-ups and quieter operations, especially after seasonal storage
• SAFE FOR ALL ENGINES: Compatible with all gasoline, diesel, and hybrid engines providing year-round protection and performance for cars, trucks, boats, motorcycles, lawn equipment and more