Please note: Due to the design of newer distributor caps, this wire set is only to be used for ignitions up to about 1995!ACCEL's yellow Universal 7mm SuperStock 4000 series spark plug wire sets are designed to upgrade an OE ignition system for high spark delivery levels for street driven applications. Set of 8 cables for a V8 engine. Can be used for a 6 or 4cylinder as well. The 232°C rated silicone jacket is extruded over a tightly woven, rugged fiberglass braid. The braid is applied over high dielectric strength EPDM inner insulation for ignition wire performance that exceeds SAE specifications. Features include: 8mm silicone jackets, silicone straight spark plug boots, Female/Socket distributor ends (not HEI), Custom-fit, universal, and import, Fiberglas braid, Conductive high resistance carbon , tinned copper core, zinc plated steel spark plug terminals