Gunk CEB1 Engine Shine Protector and Detailer, 15 Oz GUNK is a local family owned company based out of Charlotte, NC. For more than 75 years, GUNK products, developed by the people who use them, has earned the trust of hard-working tradesment and the active DIYer through consistent, superior performance and a commitment to innovation. 2-in-one engine cleaner and detailer Makes Future Clean Up EasierMakes Future Clean Up EasierMakes Future Clean Up Easier Leaves a Satin-like finish Pleasant citrus scent