Walker 924-1399 Spark Plug Wire Set

Walker ThunderCore PRO Spark Plug Wire Set

Walker ThunderCore PRO spark plug wire set 924-1399 is built for direct replacement service on select Ford, Mercury, and Lincoln applications. It is manufactured in the USA in an ISO 9001 certified facility and built to meet or exceed OEM specifications and test requirements.

Compatible With 1990-1991 Ford LTD Crown Victoria, 1989-1991 Mercury Grand Marquis, and 1990 Lincoln Town Car for vehicles in California with Enhanced Evaporative System.

Key Features

• Walker ThunderCore PRO product line for ignition wire replacement
• Precision manufactured from premium components
• Hi-temp OE-quality silicone boots and tips
• Stainless steel terminals and tubes
• Includes dielectric grease packet
• Built to meet or exceed OEM specifications and test requirements

Detailed Description

The Walker 924-1399 spark plug wire set is engineered for ignition service where OE-style fit and electrical integrity matter. This ThunderCore PRO wire set uses high-temperature silicone boots and tips, stainless steel terminals, and protective tubes to support reliable spark delivery in demanding underhood conditions. It is a practical replacement choice for 1990-1991 Ford LTD Crown Victoria, 1989-1991 Mercury Grand Marquis, and 1990 Lincoln Town Car models equipped with the California Enhanced Evaporative System.

This part cross-references NGK 4177 for the same application.

What It Is Used For

• Replacing worn or heat-damaged spark plug wires
• Restoring consistent ignition signal transfer
• Addressing misfire concerns caused by deteriorated wire insulation
• Reducing spark leakage from cracked boots or terminals
• Servicing vehicles with OE-style ignition wire routing needs

Installation Notes and Tips

Verify engine application and emissions configuration before installation. Route each lead to match the original layout, and inspect plug and coil terminals for corrosion or carbon tracking before connecting the new wires. Apply the included dielectric grease where specified to help support boot sealing and future serviceability.

Quality Assurance

Walker manufactures this ThunderCore PRO wire set in an ISO 9001 certified facility in the USA and states that it is built to meet or exceed OEM specifications and test requirements. The design uses OE-quality materials and Walker engineering oversight to support consistent production quality.