Denso 671-8074 Spark Plug Wire Set

Reliable Ignition Wire Set for Ford, Lincoln, and Mercury Vehicles

The Denso 8mm Spark Plug Wire Set (Part Number 671-8074) is engineered to provide consistent ignition performance for a range of Ford, Lincoln, and Mercury models. Designed with durable silicone boots and precise terminal configurations, this set ensures optimal spark delivery and engine efficiency.

• Silicone spark plug boot material for heat resistance and durability
• 8.00mm insulation outside diameter for effective electrical insulation
• 115-degree angled spark plug end boots for improved fitment in tight engine compartments
• Female terminal types on both distributor coil and spark plug ends
• Includes eight angled spark plug end boots for complete ignition wire replacement

Detailed Features of the Denso 8mm Spark Plug Wire Set

This spark plug wire set features silicone boots that withstand high temperatures and resist cracking, ensuring long-lasting performance. The 8.00mm insulation diameter provides reliable electrical insulation to prevent misfires and maintain consistent spark energy. The 115-degree angled spark plug end boots allow for easier installation and better routing in engine bays with limited space. Both the distributor coil and spark plug ends use female terminals, compatible with the ignition systems of various Ford, Lincoln, and Mercury vehicles. The set includes eight angled boots, covering all spark plug connections for complete ignition system maintenance.

About the Denso 8mm Brand Line

The Denso 8mm brand line focuses on ignition wire sets with an 8.00mm insulation diameter, balancing durability and electrical performance. This line is designed to meet the specific ignition requirements of multiple vehicle makes and models, including Ford, Lincoln, and Mercury. The 8mm insulation thickness offers enhanced resistance to heat and electrical interference, making it suitable for demanding ignition environments.

Compatible Vehicles and Common Applications

• Ford Bronco, Mustang, F-150, F-250, F-350, E-100 to E-350 Econoline series
• Lincoln Continental, Mark VI, Town Car, Versailles
• Mercury Capri, Cougar, Grand Marquis, Monarch, Zephyr
• Addresses ignition wire wear, cracking, and electrical shorts
• Helps resolve engine misfires and poor fuel efficiency related to ignition issues

Installation Notes and Tips

• Ensure engine is cool before removing old ignition wires
• Replace wires one at a time to maintain correct firing order
• Check for secure connections at both spark plug and distributor coil ends
• Route wires away from hot engine components and moving parts
• Use dielectric grease on boots to improve seal and ease future removal

Quality Assurance and Warranty

Denso ignition wire sets are manufactured to meet OEM specifications for fit and function. The use of high-quality silicone boots and precise terminal construction supports reliable ignition system performance. While specific warranty details may vary, Denso products typically come with a limited warranty covering defects in materials and workmanship.