Looking for aftermarket parts to modify or upgrade your 1978 Mercury Marquis with spark plug wire sets? At Tunersports.com we carry a huge selection of the top name brand performance spark plug wire set parts and accessories for your Marquis.
Whether you have a 1978 Mercury Marquis in Base to Brougham trim we have you covered. We have 5 spark plug wire sets available to mod your Marquis. All parts have free shipping to the Continental US 48 States.
 IN STOCK M-12259-C301These 9mm wires feature a spiral-wound suppression core for low resistance and minimum spark loss. They have tough silicone insulation to withstand high temperatures and voltage loss for minimum crossfire, and are highly resistant to fuels, oils, and solvents. Other features include 45 degree plug b... Ford Racing 9mm Spark Plug Wire Sets - Blue 1978-1982 Mercury Marquis Base / Brougham $79.07 |
 OUT OF STOCK M-12259-C460These 9mm wires feature a spiral-wound suppression core for low resistance and minimum spark loss. They have tough silicone insulation to withstand high temperatures and voltage loss for minimum crossfire, and are highly resistant to fuels, oils, and solvents. Other features include 45 degree plug b... Ford Racing 9mm Spark Plug Wire Sets - BLue 1969-1978 Mercury Marquis Base / Brougham $73.36 |
 OUT OF STOCK M-12259-R460These 9mm wires feature a spiral-wound suppression core for low resistance and minimum spark loss. They have tough silicone insulation to withstand high temperatures and voltage loss for minimum crossfire, and are highly resistant to fuels, oils, and solvents. Other features include 45 degree plug b... Ford Racing 9mm Spark Plug Wire Sets - Red 1969-1978 Mercury Marquis Base / Brougham $73.36 |
 OUT OF STOCK 52347NGK is the Ignition Specialist with more OE expertise globally than any other brand. With over 80 years of automotive experience, NGK’s family of automotive products are driven by extreme dedication to innovation, performance and quality. NGK’s premium ignition products are manufactured to the ... NGK Ford Bronco 1979-1978 Spark Plug Wire Set 1977-1978 Mercury Marquis Base / Brougham $55.37 |
OUT OF STOCK 52370NGK is the Ignition Specialist with more OE expertise globally than any other brand. With over 80 years of automotive experience, NGK’s family of automotive products are driven by extreme dedication to innovation, performance and quality. NGK’s premium ignition products are manufactured to the ... NGK Ford Bronco 1979-1977 Spark Plug Wire Set 1977-1979 Mercury Marquis Base / Brougham $57.85 |