Salt Shift Engine Flush - 5LSalt Shift Engine Flush 5L If you ride often, run a commercial operation, or service multiple skis or boats, the 1L bottle runs out fast and constantly re buying small bottles is more expensive than just stocking the 5L. The Salt Shift Engine Flush 5L gives you bulk volume for dealerships, rental fleets, charter operators, surf clubs, and high use private owners who flush their engine every ride. Formulated to break down salt and sediment deposits