MSD 8.5mm Super Conductor Spark Plug Wire Sets 31239 Wires, Conductor, Spiral Core, 8.5mm, Red, 90 Degree Boots, Universal, L8/V8, Set
MSD 8.5mm Super Conductor Spark Plug Wire Sets 31239 Wires, Conductor, Spiral Core, 8.5mm, Red, 90 Degree Boots, Universal, L8/V8, Set
Description
Spark Plug Wire Set - Super Conductor - Spiral Core - 8.5 mm - Red - 90 Degree Plug Boots - HEI / Socket Style - Cut-To-Fit - V8 - Kit
Data: v2 - Desc: v4.2 - Upd: 2026-11-08 06:11:19
Features
Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.
Specifications
Reference Information
| Reference Data (Provide these details to our support team) | |
|---|---|
| Brand Name/s | Msd Ignition, Msd |
| StreetFX SKU | msd31239 |
| SFX Item ID | 4973430 |
| Accounting SKU | msd-31239 |
| Manufacturer SKU | 31239 |
| Manufacturer UPC | 085132312399 |
| Alternative References | 31239, MSD-31239 |
Spark Plug Wires, Super Conductor, Spiral Core, 8.5mm, Red, 90 Degree Boots, Universal, L8/V8, Set
MSD 8.5mm Super Conductor spark plug wire sets feature a special helically wound core that has just 40-50 ohms of resistance per foot—but with an RFI suppression equal to a 1,500 ohm wire. In fact, each foot of finished wire includes 40 ft. of tightly wound copper for superior conductivity. This winding procedure, combined with a ferro-magnetic impregnated center core, produces an extremely effective Electro Magnetic Interference "choke." This choke, or suppression capability, keeps the EMI inside the wire where it cannot interfere with other electronics on your vehicle.
A tough, 8.5mm synthetic/silicone jacket over an extra-heavy glass braid and dielectric insulator keeps the current guided to the plugs. Underneath the high-temperature boots, dual crimp stainless steel terminals feature snap-locks to ensure a secure fit. Each set comes with clip-on cylinder markers for easy identification. MSD's 8.5mm Super Conductor wire sets are available in custom or universal-fit applications, assembled or not, with a variety of terminal and boot end options.
| Product Attributes | |
|---|---|
| Brand | MSD Ignition |
| Manufacturer's Part Number | 31239 |
| Part Type | Spark Plug Wire Sets |
| Product Line | MSD 8.5mm Super Conductor Spark Plug Wire Sets |
| UPC | 085132312399 |
| Assembled | No |
| Distributor Terminal Type | Male/HEI and Female/Socket |
| Distributor Boot Color | Gray |
| Distributor Boot Material | Silicone |
| Spark Plug Boot Ends | Eight 90 degree |
| Spark Plug Boot Color | Gray |
| Spark Plug Boot Material | Silicone |
| Diameter (mm) | 8.50mm |
| Wire Color | Red |
| RFI Suppression | Yes |
| Coil Wire Included | Yes |
| Conductor Style | Spiral core |
| Spark Plug Wire Resistance | 50 ohms/ft. |
| Quantity | Sold as a set. |
| Notes | Includes vice mount wire crimping tool. |
Compatibility
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