Shrink Sleeve, Numbered for Cylinders

This Sleeving simply slides over the spark plug boot or other connection and will shrink tightly around it for a secure connecĀ­tion.

PART# 3415

Suggested Retail: $14.68
Your Price:$13.21
Free Shipping on orders over $100*


These sleeves have the cylinder numbers on them so each wire is clearly marked preventing any confusion during thrashes in the pits.


  • Cylinder numbers are printed on sleeving


Emission Code1


This part is legal for use on Emissions Controlled Vehicles when used in accordance with the manufacturers application guide because it has a California Air Resources Board Executive Order number or is a direct or consolidated replacement part.

The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle
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