Bay Immaculate Engine Cleaner - 5LSummon Persephone, Goddess Queen of the Underworld Eliminate oil buildup and grease deposits with this powerful engine bay and compartment cleaner. Deep clean beneath the hood with this degreasing agent which is tough on baked road grime whilst being easy on engine components and painted surfaces. Designed to absorb and dissolve oil and grease build up with ease, and ready to be washed away effortlessly.