5567 MSD Street-Fire Wire Set Chevy 454 '75-On HEI

Wire Set, SF, Chevy 454 '77-87 HEI Street-Fire Wire Set Chevy 454 '75-On HEI The terminals are covered in black boots that protect the conductor from engine heat to ensure spark delivery. The Street Fire Spark Plug Wires feature a low resistance conductor that's wrapped in a sleek and durable black sleeve. Silicone boots protect against high exhaust temps