MSD 31939 8.5mm Super Conductor Spark Plug Wire Set VW Type 1 for MSD Distributor 8485

The MSD 31939 is an 8.5mm Super Conductor spark plug wire set engineered specifically for air-cooled Volkswagen Type 1 engines equipped with the MSD Billet Distributor (PN 8485). These high-performance ignition wires deliver maximum spark energy to the plugs while keeping Electro Magnetic Interference (EMI) locked inside the wire and away from sensitive vehicle electronics.

Key Features:

• Ultra-Low Resistance: Copper alloy conductor delivers less than 50 ohms per foot of resistance, ensuring the most spark energy possible reaches each plug
• Superior EMI Suppression: 40 feet of conductor is helically wound into every single foot of finished wire, combined with a ferro-magnetic impregnated center core to create a highly effective EMI choke
• RFI Suppression: Despite near-zero resistance, EMI/RFI suppression is equivalent to that of a 1,500-ohm wire — protecting ignition systems, fuel injection, and other on-board electronics
• DuPont Kevlar Core: The conductor core features DuPont Kevlar reinforcement for superior tensile strength and long-term durability
• Heavy-Duty 8.5mm Jacket: A tough proprietary synthetic/silicone outer sleeve over an extra-heavy glass braid dielectric insulator resists high heat and abrasion
• Dual Crimp Stainless Steel Terminals: Snap-lock terminals under high-temperature boots ensure a secure, corrosion-resistant connection at both ends
• Distributor Compatibility: Designed exclusively for use with MSD Billet Distributor PN 8485 (VW Type 1 air-cooled applications); features distributor cap ends with male terminals (HEI-style)
• Wire Color: Red

The MSD 31939 Super Conductor wire set is a direct upgrade for VW Type 1 performance and racing builds, delivering the low resistance and high suppression that MSD ignition systems demand. Compatible with MSD 6-Series and 7-Series ignition systems.