MSD IGNITION 30839 MSD Ignition 30839 Super Conductor 8.5 mm Spark Plug Wire Set for Chevy V8

Upgrade the ignition performance of your Chevrolet V8 with the MSD Ignition 30839 Super Conductor Spark Plug Wire Set. Designed with an 8.5 mm spiral-core construction, this red wire set delivers a durable, high-performance solution for applications using HEI-style ignition terminals. The set includes Pro Stock plug boots and is engineered for reliable fitment and appearance in demanding street, performance, and racing environments.
The Super Conductor design combines low-resistance performance with effective electromagnetic interference suppression, helping provide a clean ignition signal while reducing unwanted electrical noise. Each wire is supplied in a cut-to-fit configuration, allowing the installer to route and trim the leads for a neat, application-specific installation on compatible Chevy V8 engines. Proper routing and trimming help maintain clearance from hot exhaust components and moving parts.
MSD Ignition is recognized for developing ignition components for performance applications, and part number 30839 reflects the brand’s focus on durable construction and dependable operation. The red wire jacket offers easy visual identification under the hood, while the Pro Stock boots provide a secure connection at the spark plugs. This kit is a practical choice for replacing worn ignition wires or completing a performance-oriented ignition system upgrade. Verify engine configuration, distributor or coil connection style, and spark plug compatibility before installation.

Features:

• MSD Ignition part number 30839 spark plug wire set

• Super Conductor spiral-core construction for performance ignition applications

• 8.5 mm wire design with a red outer jacket

• Pro Stock plug boots for a secure spark plug connection

• HEI-style terminals for compatible Chevrolet V8 ignition systems

• Cut-to-fit wires allow application-specific routing and trimming

• Designed for Chevy V8 engines