Iridium spark plugs Key benefits - Lifespan up to three times longer than conventional plugs - More stable engine idle - Improved engine performance - Increased fuel efficiency - Quicker starting Material and function - Material: Iridium - Function: Iridium tips provide high wear resistance and durable ignition, helping maintain consistent spark and longer service intervals Compatibility and size - Designed for engines that specify Iridium spark plugs - Check your vehicle’s manual or spark plug specification to confirm fitment, heat range, and gap requirements Performance highlights - Sustained, reliable ignition over extended service intervals - Consistent idle across operating conditions - Enhanced overall engine response and efficiency - Quicker and smoother starts in typical driving situations Use scenarios - Regular maintenance on a modern gasoline vehicle to restore idle stability and efficiency - Replacement in aging engines to recover starting reliability and performance - Cold-start or high-load driving where steady idle and quick ignition are beneficial Notes - For the best results, verify fitment against your vehicle’s spark plug specification and follow the manufacturer’s torque and gap guidelines