ACCEL 5050K 8 mm Super Stock Black Spiral Wire Set A true performance upgrade for tired old Original Equipment wires on 1975 to 1982 5.7L Corvettes Delivers maximum spark energy to the plugs and creates a longer lasting hotter flame kernel quicker throttle response and reduced emissions 550 degree rated double silicone construction eliminates arcing and resists heat petrochemicals and moisture All Kevlar stranded inner core and fiberglass braiding provide added pull strength and better terminal retention Comes with matching black 90 degree plug boots