Walker 924-1858 Spark Plug Wire Set

Walker ThunderCore PRO Spark Plug Wire Set

Walker ThunderCore PRO spark plug wire set 924-1858 is built for 1985-1989 Porsche 911 applications. It is manufactured in the USA in an ISO9001 certified facility and built to meet or exceed OEM specifications and test requirements.

For Porsche 911 owners looking for a direct ignition wire replacement, this Walker wire set uses OE-quality silicone boots and tips, stainless steel terminals, and tubes. A packet of dielectric grease is included for service-ready installation support.

Key Features

• Fits 1985-1989 Porsche 911, N/A
• Walker ThunderCore PRO product line
• Precision manufactured in an ISO9001 certified facility in the USA
• Hi-temp OE-quality silicone boots and tips
• Stainless steel terminals and tubes
• Supplied with dielectric grease
• Part number 924-1858

Product Details

The ThunderCore PRO line is Walker’s premium ignition wire offering, focused on OE-style construction and consistent electrical performance. This spark plug wire set is built to meet OEM specifications for the 1985-1989 Porsche 911 and is suited for owners replacing aged, heat-stressed, or damaged ignition leads. Part number 924-1858 is also a useful reference when verifying the correct application for Porsche 911 ignition service.

This part cross-references AMS Automotive 6105 for the same application.

Common Issues It Can Help Address

• Misfires caused by worn or cracked ignition wires
• Hard starting related to weak spark delivery
• Rough idle from deteriorated wire insulation
• Voltage leakage from heat-damaged boots or terminals
• Ignition performance loss from corroded wire connections

Installation Notes

Match each wire to the correct cylinder before removal, and transfer one lead at a time to preserve firing order. Inspect the distributor cap, rotor, and spark plugs during service, and apply dielectric grease where specified to help protect boot connections. Confirm routing clears hot or moving components on the Porsche 911 before final startup.

Quality Assurance

Walker states that ThunderCore PRO wire sets are manufactured to meet or exceed OEM or equivalent standards and test requirements. The brand backs this with its own manufacturing, product management, and engineering expertise.