---
product_id: 17477023
title: "31239 Super Conductor Spark Plug Wire Set 8 Cyl 90°: Plug, Socket/HEI Cap"
brand: "msd"
price: "฿15223"
currency: THB
in_stock: true
reviews_count: 8
url: https://www.desertcart.co.th/products/17477023-31239-super-conductor-spark-plug-wire-set-8-cyl-90
store_origin: TH
region: Thailand
---

# Resistance <50Ω/ft Heat & abrasion resistant sleeve Kevlar core tensile strength 31239 Super Conductor Spark Plug Wire Set 8 Cyl 90°: Plug, Socket/HEI Cap

**Brand:** msd
**Price:** ฿15223
**Availability:** ✅ In Stock

## Summary

> ⚡ Ignite your engine’s potential with precision and power!

## Quick Answers

- **What is this?** 31239 Super Conductor Spark Plug Wire Set 8 Cyl 90°: Plug, Socket/HEI Cap by msd
- **How much does it cost?** ฿15223 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/17477023-31239-super-conductor-spark-plug-wire-set-8-cyl-90)

## Best For

- msd enthusiasts

## Why This Product

- Trusted msd brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Heat & Abrasion Shield:** Proprietary outer sleeve resists extreme heat and wear, built to last in demanding engine environments.
- • **Advanced EMI Suppression:** Ferro-magnetic impregnated core and 40:1 conductor winding drastically reduce electromagnetic interference.
- • **Kevlar-Reinforced Durability:** Dupont Kevlar core boosts tensile strength, preventing wire damage under stress.
- • **Secure Stainless Steel Terminals:** Dual crimp tabs grip conductor and jacket separately for reliable, vibration-proof connections.
- • **Ultra-Low Resistance for Maximum Spark:** Copper alloy conductor ensures less than 50 ohms per foot for peak ignition performance.

## Overview

The MSD 31239 Super Conductor Spark Plug Wire Set features a copper alloy conductor with ultra-low resistance under 50 ohms per foot, enhanced EMI suppression through a ferro-magnetic impregnated core and 40:1 conductor winding, and a Kevlar-reinforced core for superior tensile strength. Its proprietary heat- and abrasion-resistant outer sleeve and dual-crimp stainless steel terminals ensure durability and secure connections, making it the ultimate upgrade for 8-cylinder ignition systems.

## Description

MSD31239 Super Conductor Spark Plug Wire Set 8 Cyl 90°: Plug, Socket/HEI Cap

## Features

- Copper alloy conductor has a resistance value of less than 50 ohms per foot for superior spark
- Ferro-magnetic impregnated core creates an effective EMI choke
- Forty feet of conductor is wound into a single foot of wire for high EMI suppression; Conductor core features Dupont Kevlar material for increased tensile strength
- Durable outer sleeve is a proprietary compound for resistance to high heat or abrasion
- Stainless steel terminals feature dual crimp tabs to grip wire conductor and outer jacket separately

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Item Package Dimensions L x W x H | 11.14 x 10.55 x 2.91 inches |
| Package Weight | 1.55 Kilograms |
| Item Weight | 3.36 Pounds |
| Brand Name | MSD |
| Warranty Description | Warranty |
| Model Name | MSD 31239 8.5mm Super Conductor Spark Plug Wire Set |
| Color | Red |
| Material | Plastic |
| Suggested Users | unisex-adult |
| Manufacturer | MSD Ignition |
| Part Number | MSD-31239 |
| Included Components | MSD 31239 8.5mm Super Conductor Spark Plug Wire Set |
| Size | 8.5 Millimeter |

## Images

![31239 Super Conductor Spark Plug Wire Set 8 Cyl 90°: Plug, Socket/HEI Cap - Image 1](https://m.media-amazon.com/images/I/71jZxk3NiSL.jpg)
![31239 Super Conductor Spark Plug Wire Set 8 Cyl 90°: Plug, Socket/HEI Cap - Image 2](https://m.media-amazon.com/images/I/71f6CPNEeLL.jpg)
![31239 Super Conductor Spark Plug Wire Set 8 Cyl 90°: Plug, Socket/HEI Cap - Image 3](https://m.media-amazon.com/images/I/71IHyE7OB0L.jpg)
![31239 Super Conductor Spark Plug Wire Set 8 Cyl 90°: Plug, Socket/HEI Cap - Image 4](https://m.media-amazon.com/images/I/61gW2mHVXGL.jpg)
![31239 Super Conductor Spark Plug Wire Set 8 Cyl 90°: Plug, Socket/HEI Cap - Image 5](https://m.media-amazon.com/images/I/71rRu+pUEyL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ MSD Always Great Product.  I have always used MSD products on our race cars with 0 failures..
*by T***N on January 4, 2025*

MSD Always Great Product. I have always used MSD products on our race cars with 0 failures. Will continue to use.. Highly recommend product

### ⭐⭐⭐⭐⭐ Great item
*by R***H on June 14, 2023*

Great product, used these for years

### ⭐⭐⭐⭐ Good quality / slow to get
*by T***N on December 15, 2020*

I a very happy with MSD, ALL OF THEIR PRODUCTS ARE GREAT, THE PRICE IS A LITTLE MUCH FOR ME BUT YOU HAVE TO PAY FOR GOOD QUALITY. THE TIME IT TOOK TO GET HERE WAS NOT VERY GOOD, IT TOOK 5 DAYS TO GET, I GOT MY PLUGS IN A DAY AND A HALF.

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-02-21*