Gunk FEB1CA-12PK 'Engine Brite' Engine Cleaner Foam - 17 oz, (Case of 12) 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. Cleans air and waterborne soils as well as grease Foam clings to vertical surfaces Rinses easily with water Removes grease and grime from auto, marine and tractor engines