Marvel Mystery Oil is the original oil enhancer and fuel treatment that provides a multitude of benefits to engines. Added to gas it cleans and lubricates fuel injectors and carburetors, improves gasoline mileage, extends sp...

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Marvel Mystery Oil is the original oil enhancer and fuel treatment that provides a multitude of benefits to engines. Added to gas it cleans and lubricates fuel injectors and carburetors, improves gasoline mileage, extends spark plug life, reduces and prevents varnish and gum build-up. Added to oil it prevents valve sticking and clatter, fortifies properties of engine oil, prevents breakdown caused by extreme temperatures, reduces and prevents acid and sludge formation and promotes easier cold weather starts. Marvel Ultimate Fuel & Motor Treatment takes everything that's great about the original MMO formula and applies it to cars with GDI fuel tanks and hybrid vehicles.

  • Includes: Marvel Mystery Oil 16 Fl Oz. (MM12R), Marvel Ultimate Fuel & Motor Treatment 12 Fl Oz. (50665)
  • Provides top end lubrication, essential for restoring power and fuel economy
  • Advanced engine technology stabilizes fuel for months and helps promote easy start-ups
  • Prevents rust and corrosion from ethanol containing fuels
  • Marvel Ultimate can be used in all engines including GDI & Hybrids
  • Fit type: Universal Fit
  • Includes: Marvel Mystery Oil 16 Fl Oz. (MM12R), Marvel Ultimate Fuel & Motor Treatment 12 Fl Oz. (50665)
  • Provides top end lubrication, essential for restoring power and fuel economy
  • Advanced engine technology stabilizes fuel for months and helps promote easy start-ups
  • Prevents rust and corrosion from ethanol containing fuels
  • Marvel Ultimate can be used in all engines including GDI & Hybrids
  • Fit type: Universal Fit

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