ACCEL Armor Shield wires feature a metallic braided wire that delivers maximum spark energy while providing a Pro Street look. Armor Shield Wire sets enhance the appearance of braided fuel lines and coolant hoses. They're rated at 450 degrees F, feature 8mm blue silicone jacket with braided Armor shielding, carbon/graphite core; EPDM insulation and fiberglass braid, color matched blue silicone boots, and are available as custom-fit or universal.