Fast Cyl. Numbering Kit, 8.5Mm, Heat Shrink, 8.5Mm Universal

Save time in the shop and the pits with these Heat Shrink Cylinder Numbers. They simply slide over the boot and wire and will help secure the Heat Sleeve once heat is applied to shrink them in place. This kit allows you to cleanly number all the spark plug wires with these convenient heat shrink labels. Slides over boot and wire. Designed for 8.5mm wire.