For use with bulk ignition wire spools or for custom installations requiring various boot styles. Premium grade, 500°F peak rated silicone spark plug boots provide superior connection protection against dielectric leakage, moisture, dirt and other chemical contaminants. High dielectric strength EPDM or premium grade silicone boots provide excellent resistance to flashover, crossfire and protect distributor cap and coil tower connection. Stainless steel spark plug terminals feature positive locking snap clips to insure long life. Spring loaded brass or stainless steel distributor terminals provide maximum electric conductivity and corrosion resistance.