Gunk / Radiator Specialty (RSC)
Gunk (also known as Radiator Specialty Company, or RSC) is an automotive-focused brand that produces a range of performance-oriented chemicals and cleaners. The company has been in operation since 1941, specializing in products to maintain and protect vehicles. The core values of the brand are reliability, innovation, excellence, and performance. Gunk offers such products as radiator treatments, motor oils, solvent cleaners, waterless wash-and-wax products, engine flush, carburetor cleaners, and more. Its target audience is automotive enthusiasts and mechanics alike, offering product solutions for everything from minor repairs to full-scale projects. The brand prides itself on delivering high-quality, dependable products– and is known for its well-respected brand reputation.