Xtreme Sport; Designed for Motorcycles, ATV's, Personal Watercraft (Jet Skis), Boats, and Snowmobiles
When you take your powersports to the extreme, it's time for Autolite Xtreme Sport™ spark plugs. Designed with iridium-enhanced 0.6mm finewire design for improved ignitability, faster fuel combustion and a more focused ignition versus standard plugs. They'll give you up to 26% quicker starts compared standard plugs, and as much as 21% less hydrocarbon emissions than standard plugs for better fuel efficiency and horsepower.
Features & Benefits:
0.6mm finewire design with SportV-trim ground electrode for more horsepower than standard plug
Up to 26% quicker engine starts thana standard non-finewire spark plug*
Focused ignition prevents foulingbetter than leading standard plug for reliable starting in any season or weather
*Testing performed by independent lab in comparison to OE Standard Spark Plug
This spark plug is pre-gapped, but may require minor adjustments with a Spark Plug Gap Tool / Feeler Gauge to match your engine's specifications. For proper engine performance, gaps should be within ±0.004" of OE-Recommended value.
OEM / Interchange Numbers: M78543
AUTOLITE Warranty Information:2 years for Copper Spark Plugs; 4 years for Platinum Spark Plugs; 5 years for Double Platinum Spark Plugs; Limited Lifetime years for Iridium XP Spark Plugs; 5 years for Professional Series Wire Sets; 1 year for Glow PlugsWarranty Details