This universal MSD Super Conductor wire set ships 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 and finished with the included Mini-Stripper-Crimper. It's built for engines using late-model HEI-style spark plug top distributor caps, including Ford Duraspark and MSD Cap-A-Dapt setups.
Specifications:
- Boot Material: Silicone
- Core: Copper
- Insulation Color: Red
- Resistance: 40-50 ohms per foot
- Spark Plug Boot Angle: 90°
- Wire Diameter: 8.5mm
- Wire Series: 8.5 Super Conductor
- Application: Universal V8
- Wire Lengths: two 56 in., two 50 in., two 42 in., two 32 in., plus a 32 in. coil wire
- Part Number: 31229
Includes distributor cap boots and terminals along with the Mini-Stripper-Crimper needed to finish the open end.
FAQ
What comes pre-installed on this wire set?
The spark plug terminal and boot are pre-installed; the distributor-cap end is left open for custom-length installation.
What tool is included to finish the wires?
The Mini-Stripper-Crimper, used to strip and crimp the terminal after cutting the wire to length.
What distributor cap styles is this set designed for?
Late-model HEI spark-plug-top style caps, including Ford Duraspark and MSD Cap-A-Dapt.
What wire lengths are included?
Two 56 in., two 50 in., two 42 in., and two 32 in. plug wires, plus a 32 in. coil wire.

