WD-40® 300070 Specialist® Machine & Engine Degreaser Foaming Spray, 18 OzWD 40 Specialist Machine and Engine Degreaser Foaming Spray makes equipment run smoother, last longer and look like new. With deep foaming penetrating action and a powerful stream that sprays up to five feet, it quickly removes grease, oil, dirt and grime. In ASTM tests, WD 40 Specialist Machine and Engine Degreaser Foaming Spray outperforms the leading competitors. It's 50 state VOC compliant and is an ideal engine cleaner and industrial degreaser