Unlock stronger, more reliable performance with the Autolite Xtreme Sport Spark Plug XS4163, engineered to deliver a more focused ignition than leading standard plugs. Its iridium-enhanced .6 mm finewire center electrode, paired with a Sport V-trim ground electrode, is designed to improve ignitability and resist fouling, helping your engine fire cleaner and more consistently in demanding conditions. The result is quicker, smoother starts and dependable performance you can count on whether you're hitting the trails or pushing your machine to the limit.
Built to meet or exceed OEM specifications, the XS4163 goes beyond basic replacement by offering up to 26% quicker starts, along with gains in horsepower and fuel efficiency compared to standard plugs. Durable, efficient and performance-driven, this Autolite spark plug is a smart upgrade for riders who want maximum ignition performance without compromise. Shop now at Cheetah’s Powersports and experience the difference a high-quality spark plug can make.
Features:
- More focused ignition to prevent fouling than leading standard plug
- Iridium-enhanced .6 mm finewire design with Sport V-trim ground electrode engineered to offer improved ignitability and durability over a standard plug
- Up to 26% quicker starts than leading standard plug
- More horsepower and better fuel efficiency than standard plug
- Meets or exceeds OEM design
