High durability spark plug wire insulator American-made set of 8 pieces

Spark plug wire insulator set consisting of 8 pieces, resistant to 1200 degrees Fahrenheit direct continuous heat, made of heat-resistant glass fibers, made in the United States of America, suitable for most American cars and engines including: General Motors, GMC, Cadillac, Ford, Chrysler, Dodge, and others of cars that fit the length of the insulator.