ACCEL 5046B 8 mm Super Stock Blue Spiral Wire Set A true performance upgrade for tired old Original Equipment wires on 1963 to 1974 Fords Lincolns and Mercurys with 302s 351s or 400s 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 blue spark plug boots