MSD Ignition 31339 Super Conductor Spark Plug Wire Set for Ford 351M-400

The MSD Ignition 31339 Super Conductor Spark Plug Wire Set is designed for Ford 351M-400 applications. This kit features 8.5 mm spiral-core spark plug wires with red jackets and straight plug boots for a consistent, organized installation.

Each wire is equipped with an HEI-style terminal, providing the specified connection design for compatible ignition systems. The Super Conductor construction combines a spiral-core design with the 8.5 mm wire format identified for this set.

With its Ford Cleveland / Modified application description and 351M-400 fitment designation, this spark plug wire set is intended for use where these specified application details match the vehicle and ignition setup. Verify application requirements before installation.

The MSD Ignition 31339 kit provides a complete spark plug wire set in a red finish, with straight plug boots and HEI-style terminals. It is identified as a spark plug wire set for Ford 351M-400 engines and is supplied under part number 31339.

Features:

• Brand: MSD Ignition
• Part Number: 31339
• Application: Ford 351M-400
• Design: Super Conductor spiral-core spark plug wire set
• Wire Size: 8.5 mm
• Color: Red
• Plug Boots: Straight
• Terminal Type: HEI-style terminal
• Application Style: Ford Cleveland / Modified