MSD Shrink Sleeving slides over a connection and shrinks tightly into place once heat is applied, protecting spark plug wire connections and other wiring throughout the vehicle. It resists splitting and is built to withstand high underhood temperatures.
Specifications:
- Part Type: Spark Plug Wire Cover
- Product Type: Boot
- Sub Category: Ignition Wire and Related Components
- Warranty: Manufacturer's Limited 1-Year Warranty
- Part Number: 3407
Install by sliding the sleeve over the connection and applying heat to shrink it into place.
FAQ
How is the MSD 3407 shrink sleeve installed?
Slide it over the connection and apply heat; the sleeving shrinks tightly around the wire to protect it.
Can it be used anywhere besides spark plug wires?
Yes, it can be used to protect connections throughout the vehicle in addition to spark plug wires.
Will the sleeve split or crack under heat?
No, MSD Shrink Sleeving is designed to withstand high underhood temperatures without splitting.

