Autolite XS4164 Spark Plug - High-Performance Ignition for Better Starts and Fuel Efficiency

The Autolite XS4164 Spark Plug is engineered to deliver superior ignition performance for your vehicle. Designed with a .6mm fine wire and Sport V-trim ground electrode, this spark plug provides a more focused and reliable spark, reducing fouling and ensuring consistent engine operation. Whether you're looking to improve starting power or enhance overall fuel efficiency, the XS4164 is an excellent choice for demanding driving conditions.

Thanks to its advanced design, the Autolite XS4164 offers up to 26% quicker starts compared to leading standard plugs. This rapid ignition translates into smoother acceleration and more responsive engine performance. The fine-wire construction not only improves ignitability but also extends the durability of the spark plug, helping it to withstand the rigors of high-performance driving and long-term engine operation. Additionally, this spark plug is built to meet or surpass OEM standards, ensuring a perfect fit and reliable operation in compatible vehicles.

Installation of the Autolite XS4164 is straightforward, and its robust construction helps maintain optimal engine efficiency over time. By providing a more efficient burn, this spark plug can contribute to better fuel economy and increased horsepower. Whether you're tuning up your daily driver or upgrading for enhanced performance, the XS4164 offers a reliable and high-quality ignition component that meets the highest industry standards.