Eastwood’s 2K Aerospray “Urethane Primer Gray” High Temp Ceramic Engine Paints combine the durability and professional results of 2 part paints with the ease of application of a spray can Perfect primer under all 2K Aerospray engine paint finishes Highest temperature rating in the industry – 650° F Chemical and chip resistant Two part formula outlasts and out performs single part coatings Nozzle & valve engineered for a wide fan pattern like a paint gun for more complete coverage. Outer chamber holds ceramic paint, inner chamber holds activator. Activator released by “button” on bottom of can. Approximate coverage 10 Sq Ft