Replace Pontiac Spark plug replacement & Pontiac Spark Plug price. Shop Best Pontiac anti interference spark plug. Explore Pontiac Spark plug. Maintaining optimal performance in your Pontiac starts with the heart of the ignition system: the spark plugs. To ensure longevity, routinely check for signs of wear, such as difficulty starting, engine misfires, or a decline in fuel efficiency, as these indicate it's time for a replacement. When selecting new spark plugs, opt for premium materials like iridium or platinum that offer durability and superior performance. Remember, the right choice in spark plugs can drastically improve engine response and fuel economy. For seamless installation, apply anti-seize on the threads and always adhere to the recommended torque specifications, enhancing your Pontiac's driveability and ensuring peak performance.