The Xtreme Sport Iridium Spark Plug features an iridium-enhanced finewire tip that helps with easy starting, reduces fouling of the spark plug, and ensures longer performance.
When you take your powersports to the extreme, it's time for Autolite Xtreme Sport iridium spark plugs.
0.6mm finewire design for improved ignitability, faster fuel combustion and a more focused ignition versus standard plugs
26% quicker starts compared standard plugs
As much as 21% less hydrocarbon emissions than standard plug
Better fuel efficiency and engine power
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Product Note:
Vehicle Fitment
Fitment is guaranteed or your money back plus free return shipping.
Don’t waste time installing a product that doesn't fit. We worked hard ensuring that this product is an exact fit on the vehicles listed below.
Honda
CRF450R 2002-2008
CRF450X 2005-2009, 2012-2016
MUV700 Big Red 2009-2012
TRX450ER Sportrax 450ER 2006-2009
TRX450R Sportrax 450R 2004-2009
TRX700XX 2008-2009
XR650R 2000-2007
Polaris
RZR 4 800 2012
RZR 800 2008-2012
RZR S 800 2009-2012
Ranger 800 6x6 2010-2012
Ranger Crew 800 2010-2012
Ranger XP 800 2010-2012
Sportsman 600 2003-2005
Sportsman 700 2002-2006
Sportsman 700 EFI 2004-2007
Sportsman 800 Big Boss 6x6 2009-2011
Sportsman 800 EFI 2005-2007
Sportsman Touring 800 EFI 2008-2009
Sportsman X2 700 2008
Sportsman X2 800 2007-2009
Customer Reviews
Extreme Sport Spark Plug
By Tony E. on
Verified Purchaser
Nice.
Iridium Plug
By Shannon S. on
Verified Purchaser
Works great.
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Questions & Answers
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