Royal Purple is an American manufacturer which produces lubricants for automotive, industrial, marine, motorcycle

Motorcycle

A motorcycle is a single-track, two-wheeled motor vehicle. Motorcycles vary considerably depending on the task for which they are designed, such as long distance travel, navigating congested urban traffic, cruising, sport and racing, or off-road conditions.Motorcycles are one of the most...

 and racing use. It is known primarily for its line of Royal Purple Motor Oil products for use in gasoline

Gasoline

Gasoline , or petrol , is a toxic, translucent, petroleum-derived liquid that is primarily used as a fuel in internal combustion engines. It consists mostly of organic compounds obtained by the fractional distillation of petroleum, enhanced with a variety of additives. Some gasolines also contain...

 and diesel engine

Diesel engine

A diesel engine is an internal combustion engine that uses the heat of compression to initiate ignition to burn the fuel, which is injected into the combustion chamber...

s. However, the company produces many other fluids including automotive, motorcycle/ATV and marine gear oils, transmission fluids, power steering fluids; and industrial gear, bearing, engine, and hydraulic oils. Other products include multi-purpose chassis and bearing grease, a penetrating/multi-purpose lubricant aerosol, an aerosol chain lubricant, a firearm

Firearm

A firearm is a weapon that launches one, or many, projectile at high velocity through confined burning of a propellant. This subsonic burning process is technically known as deflagration, as opposed to supersonic combustion known as a detonation. In older firearms, the propellant was typically...

lubricant, and a radiator additive.