Shrink Sleeve, Spark Plug Wires

MSD Shrink Sleeving can be used to protect connections throughout the vehicle as well as spark plug wires.

PART# 3407

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Simply in­stall the Shrink Sleeving over the connection and apply heat. The sleeving will shrink tightly around the wire and protect it. MSD Shrink Sleeving will not split and is designed to withstand high underhood temperatures.


  • Shrink sleeving to protect connections
  • Also fits spark plug wires


Emission Code5
Product TypeBoot
Part Number3407


This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

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        *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

        Some parts are not legal for use in California or other states with similar regulations.