Taylor/VERTEX Spiro-Pro 8 mm Spark Plug Wire Repair Kit, Part 45421

Restore dependable ignition performance with the Taylor/VERTEX Spiro-Pro 8 mm Spark Plug Wire Repair Kit, Part 45421. Designed for custom repairs and cut-to-fit applications, this kit helps replace damaged or worn sections of ignition wire without requiring a complete wire set. Its red spiral-core construction supports consistent spark delivery and reliable operation in demanding automotive applications.

Feature: The 8 mm Spiro-Pro spiral-core wire is engineered for strong conductivity, effective noise suppression, and durable service. The 54-inch wire length provides material for custom installation, while the 135-degree spark plug boot is shaped to support practical routing around the cylinder head and surrounding components. The HEI/socket-style connection is compatible with many high-energy ignition systems and provides a secure connection when properly installed.

Feature: Cut-to-fit design allows the wire to be trimmed for a precise installation, helping reduce excess slack and improve wire routing. The repair kit format is useful for replacing a single damaged lead, building a custom ignition wire, or completing a targeted repair during engine service. Always verify terminal compatibility and measure the required routing before cutting the wire.

Built for enthusiasts, technicians, and performance applications, the Taylor/VERTEX Part 45421 repair kit combines flexible installation with proven ignition-wire construction. The red finish provides easy identification under the hood, while the angled boot supports clean positioning in confined spaces. This kit is intended for spark plug wire repair and custom ignition-system work where an 8 mm spiral-core lead and HEI/socket-style termination are required.

Features:

• Brand: Taylor/VERTEX
• Part Number: 45421
• Product Type: Spark plug wire repair kit
• Core Design: Spiro-Pro spiral core
• Wire Size: 8 mm
• Wire Length: 54 inches
• Boot Angle: 135 degrees
• Connector Style: HEI/socket style
• Color: Red
• Installation: Cut-to-fit
• Application: Custom spark plug wire repair and ignition-system service