WD-40 Specialist? Machine & Engine Degreaser Foaming Spray helps make your equipment run smoother, last longer and look like new.This low-residue, water-based formula with foaming action penetrates deep into crevices to break down tough, stuck on grease. You can quickly remove grease, oil, dirt, grime, tar, adhesives, and more without engine disassembly. Equipped with a nozzle capable of powerful long-distance sprays up to 5 feet, it works immediately on contact for unbeatable speed and evaporates quickly, leaving low residue.