Ultra 40 Insulated Spark Plug Wire Sleeve
Blue, 25ft Length
- Fits 8.65mm Ultra 40 Wire
- Closely woven fibreglass, impregnated with high-voltage-leak resistant silicone which adds up to 8,000 volts of extra insulation
- Extends spark plug wire life by adding additional insulation against exhaust header heat, chaffing and contaminants
- For best results, we recommend that the sleeve cover the full length of wire from spark plug boot to distributor boot and sealed with Shrink Sleeve No. 72031