It has to happen sooner or later. You are up front, leading the race, when you feel the engine start to miss. The car in the mirror keeps getting bigger, and bigger. Thermal plug wire covers are an inexpensive solution to prevent headers from taking out your plug wires. The vibration under the hood of a race car is extreme. These easy to install covers will keep you from having to buy a whole set of plug wires, to replace just one that is burned. Rated to with stand temperatures of up to 1200 degrees F, these things really work. Take a look, they are available for four, six, and eight cylinder racing engines:
Typical installation on a four cylinder Formula Continental racing engine.
Wire seperators help to keep everything in line, when the high speed vibrations starts.
