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Return to Parts List Category : D- Big Block (Low Deck) : Ignition & Electrical : Plug Wires MSD 5531 STREET FIRE PLUG WIRE KIT 8MM FITS BIG BLOCK WITH FACTORY-STYLE (SOCKET) DISTRIBUTOR CONNECTIONS $61.45 Fits Big Block with factory-style (socket) distributor connections Features Helically wound conductor suppresses electro and radio noise Kevlar core combination for great strength and durability Heavy duty terminals for secure connection 8mm silicone and synthetic jacket resists heat and abrasion 500 Ohms per foot resistance for improved spark delivery and power Silicone boots protect against high exhaust temps  Multi- angle (bend to fit) boot   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.