MSD Street Fire Spiral Core 8 mm Spark Plug Wire Set - Black - Factory Style Boots / Terminals - Big Block Chevy 5569 Steering Bushings & Mounts 1972-1973 Mercury Marquis

1972-1973 Mercury Marquis

1999-2016 Ford E-350 Super Duty

Lighter Than Copper / Brass

Royal Purple(R)XPR produces winning results on the race track and is safe enough to use in your daily commuter car

MSD Street Fire Spiral Core 8 mm Spark Plug Wire Set - Black - Factory Style Boots / Terminals - Big Block Chevy 5569 Steering Bushings & Mounts 1972-1973 Mercury MarquisThe Street Fire Spark Plug Wires feature a low resistance conductor thats 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. MSD Street Fire Spark Plug Wire Set 5569 Helically Wound Conductor Suppresses Electro And Radio Noise Great Strength And Durability Heavy Duty Terminals For Secure Connection 8 mm Silicone Synthetic Jacket Resists Heat