Built for the Ford and Chrysler Hemi-style cylinder heads used in Pro Stock racing, this MSD Super Conductor wire set uses injection-molded tubes designed specifically to reach the long, skinny spark plug tunnel on these heads. It ships as a universal set with the spark plug terminal and boot pre-installed, leaving the distributor-cap end open so it can be cut to the exact length needed, then finished with the included Mini-Stripper-Crimper.
Specifications:
- Brand: MSD
- Product Type: Spark Plug Wire
- Application: Pro Drag Racing, Ford/Chrysler Hemi Pro Stock cylinder heads
- Wire Diameter: 8.5mm (Super Conductor)
- Color: Red
- Conductor Core: Copper
- Resistance: 40-50 Ohms Per Foot
- Spark Plug Boot Angle: Hemi
- Warranty: Manufacturer's Limited 1-Year Warranty
- Warning: California Proposition 65
- Part Number: 31539
Distributor cap boots and terminals are included, along with a Mini-Stripper-Crimper to install the terminal after cutting the wire to length.
FAQ
What cylinder heads is this wire set designed for?
It's built for the Ford and Chrysler Hemi-style cylinder heads used in Pro Stock racing, which have a long, skinny tunnel to access the spark plug.
Does this wire set need to be cut to length?
Yes. The spark plug terminal and boot are pre-installed, and the distributor-cap end is left open so it can be cut to the desired length and finished with the included Mini-Stripper-Crimper.
What is included with this wire set?
Distributor cap boots and terminals are included, along with a Mini-Stripper-Crimper for installing the terminal.
What is the resistance rating of this wire set?
The copper conductor carries 40-50 ohms of resistance per foot.

