MSD Ignition 31243 8.5mm Spark Plug Wire Set with Spiral Core and HEI Style Terminals for Small Block Chevy

The MSD Ignition 31243 Spark Plug Wire Set is designed for high-performance small block Chevy engines, offering reliable ignition performance and durability. This set features 8.5mm diameter wires constructed with a superconductor spiral core, which provides excellent conductivity and minimizes electrical interference for optimal engine performance. The black insulation not only adds a sleek appearance but also provides heat resistance and durability in demanding conditions. The set includes 90-degree plug boots and HEI style terminals, ensuring secure connections and compatibility with a wide range of ignition components. Ideal for street or race applications, this wire set enhances spark delivery and engine efficiency. Installation is straightforward, making it suitable for both professional mechanics and DIY enthusiasts seeking a dependable upgrade for their small block Chevy engine. Engineered to withstand high temperatures and vibrations, the MSD Ignition 31243 set is a durable choice for improving ignition reliability and engine performance over stock wiring solutions.

Features:

• 8.5mm diameter spark plug wires for enhanced electrical performance

• Superconductor spiral core minimizes electrical interference

• Black heat-resistant insulation for durability and heat resistance

• Includes 90-degree plug boots for secure fit and easy installation

• HEI style terminals compatible with a variety of ignition systems

• Designed specifically for small block Chevy engines

• Built for street and racing applications with high durability