5577 MSD Wire Set, Street Fire, GM Vortec V6, 4.3L '96-'04

Wire Set, SF, Vortec V6, 4.3L 96-04 Wire Set, Street Fire, GM Vortec V6, 4.3L '96-'04 Stock replacement wires for GM Vortec V6, 4.3L engines The Street Fire Spark Plug Wires feature a low resistance conductor that's wrapped in a sleek and durable black sleeve. The terminals are covered in black boots that protect the conductor from engine heat to ensure spark delivery.