Description
Product Overview
The MSD Ignition 18‑inch copper coil lead wire is engineered for precision and durability in demanding automotive applications. Crafted from high‑grade copper, the wire maintains excellent conductivity even under high‑temperature conditions. It features dual crimp terminals with 90‑degree boots, allowing seamless integration with HEI‑style ignition systems. Dimensions measure 8 × 6 × 2 inches, and the lightweight design (0.01 oz) ensures easy handling during installation.

Usage
Designed for performance‑oriented vehicles, this lead wire is perfect for race cars, street‑tuned builds, and classic restorations that rely on HEI ignition setups. The 18‑inch length provides ample reach for routing between the ignition coil and distributor, while the dual crimp design simplifies connections in tight engine bays. Whether you are a professional mechanic or an enthusiastic DIYer, the wire’s robust construction supports reliable spark delivery in high‑rpm environments.
Why Choose Us
MSD Ignition is a trusted name in high‑performance ignition components, and this copper coil lead wire upholds that reputation. Each unit undergoes rigorous quality testing to ensure consistent resistance and heat resistance. The copper material resists corrosion, extending the service life compared to standard aluminum leads. Our precise crimping process guarantees a secure fit, reducing the risk of misfires caused by loose connections.
Key Features
- Premium copper construction for optimal conductivity and heat resistance
- Dual crimp terminals with 90° boots for quick, secure HEI adapter installation
- 18‑inch length provides flexible routing in various engine configurations
- Lightweight design (0.01 oz) simplifies handling and reduces overall vehicle weight
- Rigorous quality control ensures consistent performance and long‑term durability
FAQ
What vehicles are compatible with this lead wire?
The wire is designed for any vehicle that uses an HEI‑style ignition system, including classic American muscle cars, modern performance builds, and race‑prepared engines.
Can I use this wire with aftermarket ignition coils?
Yes, the dual crimp terminals are compatible with most aftermarket coils that follow the standard HEI connector dimensions.
Is the copper material resistant to corrosion?
Absolutely. High‑grade copper resists oxidation and maintains conductivity even in harsh engine environments.
How do I install the 90‑degree boots?
Simply align the boot with the HEI terminal, press firmly until the crimp locks, and verify a snug fit. No additional tools are required.
What warranty does MSD Ignition provide?
MSD offers a limited one‑year warranty covering manufacturing defects, ensuring you receive a reliable product for your performance needs.




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