Shield Engine Cleaner Is A Powerful Water Based Liquid Formulated To Effectively Clean And Degrease Engines And Providing Optimal Performance And Prolonging Engine Life. Designed For Both Professional Mechanics And Diy Enthusiasts And This Engine Cleaner Penetrates And Dissolves Stubborn Grease And Oil And Dirt And And Grime Buildup On Engine Surfaces Without The Need For Harsh Solvents Or Abrasives. Heres Why Shield Engine Cleaner Stands Out: Deep Cleaning Action: The Water Based Formula Penetrates Deep Into The Engine And Breaking Down And Lifting Away Tough Grease And Oil And Dirt And And Grime And Leaving Surfaces Clean And Refreshed. Improved Performance: By Removing Buildup And Deposits And Shield Engine Cleaner Helps Restore Engine Efficiency And Leading To Smoother Operation And Improved Fuel Economy.** Environmentally Friendly: Formulated Without Harsh Solvents Or Abrasives And This Engine Cleaner Is Safe For Use On Sensitive Engine Components And Is Environmentally Friendly. Versatile Application: Suitable For Use On A Wide Range Of Engine Components And Including Metal And Plastic And And Rubber Parts. Use It On Engines And Engine Bays And Undercarriages And And More.