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• Coated threads for easy installation
• Ceramic element with integrated heater requires less power to activate, and reaches operating temperature more quickly than a thimble element
• Reduces harmful exhaust emissions

• Highest quality and value
• OE style replacement rotors
• High strength cast iron discs are highly durable and reliable

• User-friendly instructions eliminate the need to call a hotline for assistance
• Coated threads for easy installation
• Revolutionary patented submersible connection system protects against water and contamination and withstands the effects of extreme temperature and engine vibration

• Fused iridium and platinum center electrode, sintered into an extended insulator nose results in reaching self-cleaning temperature only seconds after starting and provides exceptional wear resistance
• Four yttrium enhanced ground electrodes resist spark plug wear and oxidation for exceptional performance life
• Revolutionary surface air gap firing technology featuring Bosch's unique four ground electrode design delivers the most powerful spark for the most efficient combustion and optimum horsepower without increasing the voltage requirement

• Meets Original Equipment specifications
• The SWIV-EL design allows the cap to be installed and removed much easier than conventional radiator caps
• A faulty radiator cap can cause your car to boil-over at a lower temperature