- NGK Ignition Coil Boot insulates the spark plug terminal
- Replace a damaged boot to prevent high voltage from escaping
- Replacing the boot is an inexpensive alternative to replacing the entire coil-on-plug
- Includes 1 ignition coil boot per package
- NGK coil on plug boots are manufactured with premium metal contact springs that minimize spark loss
- Silicone or phenolic resin shell offers high dielectric strength and prevents thermal overload
- Outstanding durability, and excellent suppression of EMI/RFI to protect the electronic components of the vehicle
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