Moroso 72013 - Moroso Ultra 40 Insulated Wire Sleeve

Moroso Ultra 40 Wire Sleeve is closely woven fiberglass and impregnated with high-voltage leak resistant silicone which adds up to 8,000 volts of extra insulation. The ultra 40 wire sleeve is designed for the Moroso 8.65mm Ultra 40 spark plug wires and extends spark plug wire life by adding additional insulation against exhaust header heat, chaffing and contaminants.