Pre-preg. Carbon Fiber Manufacturing Process - The APR Spark Plug Covers are constructed by high temperature and pre-preg. carbon fiber production process, making them durable and able to withstand elevated engine bay temperatures.

Designed for Easy Installation - The APR Spark Plug Covers are designed to factory specifications for easy installation and clean fit and finish.

Fade Resistant Epoxy Coating - To ensure durability, the APR Spark Plug Cover suses fade resistant epoxy coating to reduce the effects of high engine bay temperatures.