Description
Part Number: 35593
MSD 8.5mm Super Conductor Spark Plug Wire Set – SB Chevy HEI (Black)
Race-tailored 8.5mm ignition leads engineered specifically for Small Block Chevrolet V8 engines running HEI distributor caps and headers, delivering maximum spark energy alongside superior EMI/RFI noise suppression.
Key Features
- ☑ Ultra-low resistance of 40-50 ohms per foot delivers maximum spark energy to the plug
- ☑ Helically wound copper alloy conductor with over 40 feet of wire per foot length
- ☑ Ferro-magnetic impregnated core creates an effective Electro Magnetic Interference (EMI) choke
- ☑ Kevlar-reinforced conductor core provides high tensile strength and long-term durability
- ☑ High-heat 8.5mm silicone/synthetic outer sleeve protects against abrasion and oil degradation
- ☑ 90-degree spark plug boots offer optimal clearance around tight exhaust header primary tubes
- ☑ Stainless steel dual crimp snap-lock terminals ensure secure retention under vibration
Technical Specifications
| Brand | MSD Ignition |
|---|---|
| Manufacturer Part Number | 35593 |
| Wire Diameter | 8.5mm |
| Wire Series | Super Conductor |
| Engine Compatibility | Small Block Chevrolet (SB Chevy V8) |
| Distributor Cap Style | HEI / Male Post Terminals |
| Spark Plug Boot Angle | 90 Degree |
| Wire Color | Black |
| Conductor Resistance | 40-50 Ohms / Foot |
| Core Material | Ferro-Magnetic / Kevlar Core with Helical Copper Alloy Conductor |
What’s Included in the Box
- 8 Pre-assembled MSD 8.5mm Super Conductor Spark Plug Wires (Black)
- 1 HEI Coil Wire
- Clip-on Cylinder Identification Markers
Engineered to the highest motorsport standards by MSD, this Super Conductor wire set ensures your ignition system operates at peak reliability under intense racing conditions. Available with fast UK dispatch and technical customer support from the performance specialists at JP Racing.







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