Product details:

DENSO has taken everything they have learned as an Original Equipment manufacturer and use it to their superior aftermarket product lines of auto parts.Primary Ignition Wire. "Identical in fit, color, form, and performance to the original, factory-installed wire set, DENSO ignition wire sets fit right, look right, and work perfectly. Each wire is pre-cut to the proper length and is ready to install straight out of the box. Manufactured to the SAE's tough J2031 Class E standards, DENSO 7mm and 8mm ignition wires can handle temperatures from - 40 to 428 degrees Fahrenheit. Boots and end caps are OE-quality as well, providing a reassuring click as they seat into place onto their terminals ? even in those hard-to-reach locations.".