AUTOLITE XS4163 Spark Plug - High-Performance Ignition for Better Fuel Efficiency and Quicker Starts

The AUTOLITE XS4163 spark plug is engineered to deliver superior ignition performance for your vehicle. Designed with a .6mm finewire and Sport V-trim ground electrode, this plug offers enhanced ignitability, ensuring your engine fires quickly and reliably. Whether you're looking for improved fuel efficiency, increased horsepower, or quicker starts, the XS4163 is a reliable choice that meets or exceeds OEM standards.

Compared to leading standard spark plugs, the AUTOLITE XS4163 provides up to 26% faster starting times, helping you get on the road faster and with less effort. Its advanced electrode design minimizes fouling, which can impair engine performance over time. This focus on durability means you can enjoy longer-lasting ignition performance, reducing the need for frequent replacements and maintenance.

Constructed with high-quality materials, the XS4163 spark plug ensures consistent sparks that optimize combustion efficiency. This results in more horsepower and improved fuel economy, saving you money at the pump while enhancing your driving experience. Suitable for a variety of engines, this spark plug is an excellent upgrade for any vehicle requiring premium ignition components.