Walker 924-1108 Spark Plug Wire Set

Walker ThunderCore PRO Spark Plug Wire Set

Walker ThunderCore PRO spark plug wire set 924-1108 is built for Mazda Miata ignition service with OE-style materials and fitment-specific coverage. It is manufactured in an ISO 9001 certified facility in the USA and built to meet or exceed OEM specifications and test requirements.

The ThunderCore PRO line focuses on dependable ignition performance for drivers replacing worn Mazda Miata spark plug wires. This wire set uses hi-temp silicone boots and tips, stainless steel terminals, and protective tubes, and it includes dielectric grease for service prep.

Key Features

• Walker ThunderCore PRO ignition wire set for Mazda Miata applications
• Part number 924-1108
• Hi-temp OE-quality silicone boots and tips
• Stainless steel terminals and tubes
• Includes dielectric grease
• Manufactured in the USA in an ISO 9001 certified facility
• Built to meet or exceed OEM specifications and test requirements

Detailed Description

Walker 924-1108 is a spark plug wire set engineered for 1990-1995 Mazda Miata, 1997 Mazda Miata, and 1999-2000 Mazda Miata applications. It is designed for direct ignition wire replacement where consistent spark delivery, heat resistance, and durable terminal construction matter. The ThunderCore PRO design uses premium components selected for OE-style service life and reliable electrical connection.

This part cross-references DENSO Auto Parts 671-4220 for the same application.

Common Issues It May Address

• Misfires caused by aged or heat-damaged plug wires
• Hard starting related to weak ignition transfer
• Rough idle from deteriorated wire insulation or terminals
• Spark leakage from cracked boots or worn wire ends
• Intermittent ignition performance on Mazda Miata models

Installation Notes and Tips

Confirm cylinder routing before removal and replace wires one at a time to preserve firing order. Clean the coil and spark plug connection points before installation, and apply the included dielectric grease to the boot interiors where appropriate. Verify fitment against the vehicle year and engine configuration before service.

Quality Assurance

Walker Products manufactures ThunderCore PRO components in an ISO 9001 certified facility in the USA and states that this wire set meets or exceeds OEM specifications and test requirements. Part number 924-1108 is backed by Walker’s manufacturing, product management, and engineering expertise.