Walker 924-1373 Spark Plug Wire Set

Walker ThunderCore PRO Spark Plug Wire Set

Walker ThunderCore PRO spark plug wire set 924-1373 is built for Ford and Mercury applications that use EEC IV ignition control. It is engineered to meet or exceed OEM specifications and test requirements, with OE-style silicone boots and tips, stainless steel terminals, and tubes for dependable ignition performance.

The ThunderCore PRO line focuses on precision manufacturing and OE-level materials. This part number, 924-1373, is produced in an ISO9001 certified facility in the USA and includes dielectric grease for service-ready installation.

Key Features

• OE-style spark plug wire set for ignition service
• Hi-temp silicone boots and tips
• Stainless steel terminals and tubes
• Manufactured to meet or exceed OEM specifications
• Includes dielectric grease
• Walker ThunderCore PRO product line

Vehicle Fitment

• Fits 1984-1987 Ford Thunderbird, w/ EEC IV; ThunderCore PRO
• Fits 1984-1987 Mercury Cougar, w/ EEC IV; ThunderCore PRO
• Fits 1984-1986 Ford LTD, w/ EEC IV; ThunderCore PRO
• Fits 1983-1986 Ford Mustang, w/ EEC IV; ThunderCore PRO
• Fits 1983-1986 Mercury Capri, w/ EEC IV; ThunderCore PRO
• Fits 1984-1986 Mercury Marquis, w/ EEC IV; ThunderCore PRO

What It Helps Address

• Misfires caused by worn or heat-damaged plug wires
• Hard starting related to weak ignition transfer
• Rough idle from deteriorated wire insulation or terminals
• Voltage leakage in high-temperature engine bays
• Service issues on Ford Mustang and Mercury Capri EEC IV ignition systems

Installation Notes

Match the wire routing to the original layout before removal, and transfer one wire at a time to reduce the chance of cross-firing. Apply the included dielectric grease to the boots where appropriate, and confirm each terminal is fully seated on the spark plug and distributor or coil connection. Verify fitment against the vehicle’s EEC IV ignition configuration before installation.

Quality Assurance

Walker Products manufactures ThunderCore PRO components in an ISO9001 certified facility in the USA and states that this wire set is built to meet or exceed OEM specifications and test requirements. This part cross-references DENSO Auto Parts (e.g., 671-6074, 4136) for the same application.