Backflush your vehicle's cooling system to prevent winter freezing and summer overheating with the PEAK Radiator Flush and Fill Kit. Product Features:Kit includes deflector, 2 hose clamps and 3 flushing tees (1/2, 5/8 and 3/4)Fits most cars and light trucksWorks with all ethylene glycol coolantsHelps prevents winter freezing and summer overheatingBackflushes cooling system