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  • Sold in packages of 4, 6, or 8


Unleash the full potential of your engine with the MR43T AC Delco Spark Plug. Designed to deliver optimal ignition performance, this spark plug is a must-have for any automotive enthusiast or professional mechanic looking to maximize power and efficiency.


Crafted by AC Delco, a trusted name in automotive parts, this spark plug is engineered with precision and durability in mind. It is designed to fit a wide range of vehicles, ensuring compatibility and ease of installation. Whether you drive a car, truck, SUV, or boat, the MR43T spark plug is built to meet the demanding requirements of your engine.


With its advanced technology and construction, this spark plug provides a reliable spark to ignite the air-fuel mixture in your engine's combustion chamber. The result? Improved fuel efficiency, smoother engine operation, and increased horsepower. Experience enhanced acceleration, better throttle response, and overall superior engine performance.


The MR43T AC Delco Spark Plug is built to withstand the rigors of daily driving or demanding performance applications. It features high-quality materials that resist fouling and wear, ensuring a longer lifespan and consistent performance over time. Whether you're commuting in the city or pushing your engine to the limit on the track, this spark plug won't let you down.


Installation is a breeze with the MR43T spark plug. It comes pre-gapped, meaning you can install it right out of the box without any adjustments. The threaded shell ensures a secure fit, preventing any leaks or misfires. Plus, the spark plug's design promotes efficient heat transfer, reducing the risk of overheating and extending the life of your engine.


Don't compromise on quality when it comes to your engine's ignition system. Trust AC Delco's expertise and choose the MR43T Spark Plug for unparalleled performance and reliability. Elevate your driving experience with this high-performance spark plug and enjoy the thrill of a well-tuned engine. Upgrade your spark plugs to the MR43T AC Delco Spark Plug today and feel the power ignite!


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