ACCEL 5048R 8mm Super Stock Spiral Custom Wire Set - Red A true performance upgrade for tired old Original Equipment wires on 1974 to 1988 GM small blocks with HEI ignitions 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 red 90 degree plug boots