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Autolite Finewire Iridium Spark Plug

Product may vary from photo(s).

Everyday Low Price: $8.99

Gold Club Price: What's This? $8.09

J&P Part: 383-487

Rating: Read Reviews

Description

Autolite Finewire Iridium Spark Plug

• More focused ignition to prevent fouling than leading standard plug

• .6mm finewire design with Sport V-trim ground electrode engineered to offer improved ignitability and durability over standard plug

• Up to 26% quicker starts than leading standard plugs

• More horsepower and better fuel efficiency than standard plug

• Meets or exceeds OEM design

Product Specs

  • Manufacturer Part Number: XS4164
  • OEM Reference: 6R12
  • Sold in Units: Each

Fitment

Harley-Davidson® Models

  • Dyna Fat Bob CVO FXDFSE : 2009
  • Dyna Fat Bob CVO FXDFSE2 : 2010
  • Dyna Fat Bob FXDF : 2008–2014
  • Dyna Low Rider Convertible FXDS : 1999–2000
  • Dyna Low Rider EFI FXDLI : 2004–2006
  • Dyna Low Rider FXDL : 1999–2005, 2007–2012
  • Dyna Street Bob EFI FXDBI : 2006
  • Dyna Street Bob FXDB : 2007–2014
  • Dyna Street Bob FXDBP : 2014
  • Dyna Super Glide 35th Anniversary EFI FXDI35 : 2006
  • Dyna Super Glide Custom EFI FXDCI : 2005–2006
  • Dyna Super Glide Custom FXDC : 2005, 2007–2014
  • Dyna Super Glide Custom FXDC Anniversary : 2013
  • Dyna Super Glide CVO FXDSE : 2007
  • Dyna Super Glide CVO FXDSE2 : 2008
  • Dyna Super Glide EFI FXDI : 2004–2006
  • Dyna Super Glide FXD : 1999–2005, 2007–2010
  • Dyna Super Glide Police FXDP : 2001–2007
  • Dyna Super Glide Sport EFI FXDXI : 2004–2005
  • Dyna Super Glide Sport FXDX : 1999–2005
  • Dyna Super Glide T-Sport FXDXT : 2001–2003
  • Dyna Switchback FLD : 2012–2014
  • Dyna Wide Glide CVO FXDWG2 : 2001
  • Dyna Wide Glide CVO FXDWG3 : 2002
  • Dyna Wide Glide EFI FXDWGI : 2005–2006
  • Dyna Wide Glide FXDWG : 1999–2005, 2007–2008, 2010–2014
  • Softail Blackline FXS : 2011–2013
  • Softail Breakout CVO FXSBSE : 2013–2014
  • Softail Breakout FXSB : 2014
  • Softail Convertible CVO FLSTSE : 2010
  • Softail Convertible CVO FLSTSE2 : 2011
  • Softail Convertible CVO FLSTSE3 : 2012
  • Softail Cross Bones FLSTSB : 2008–2011
  • Softail Custom FXSTC : 2007–2010
  • Softail Deluxe CVO FLSTNSE : 2014
  • Softail Deluxe EFI FLSTNI : 2005–2006
  • Softail Deluxe FLSTN : 2006–2014
  • Softail Deuce CVO FXSTDSE : 2003
  • Softail Deuce CVO FXSTDSE2 : 2004
  • Softail Deuce EFI FXSTDI : 2001–2006
  • Softail Deuce FXSTD : 2000–2007
  • Softail Fat Boy Anniversary FLSTF : 2013
  • Softail Fat Boy CVO FLSTFSE : 2005
  • Softail Fat Boy CVO FLSTFSE2 : 2006
  • Softail Fat Boy EFI FLSTFI : 2001–2006
  • Softail Fat Boy Firefighter FLSTF : 2010
  • Softail Fat Boy FLSTF : 2000–2014
  • Softail Fat Boy Lo Anniversary FLSTFB : 2013
  • Softail Fat Boy Lo FLSTFB : 2010–2014
  • Softail Fat Boy Peace Officer FLSTF : 2010
  • Softail Fat Boy Police EFI FLSTFI : 2006
  • Softail Fat Boy Shrine FLSTF : 2009–2010
  • Softail Fat Boy Shrine FLSTFI : 2005–2006
  • Softail Fat Boy Special FLSTFB : 2014
  • Softail Heritage Classic Anniversary FLSTC : 2013
  • Softail Heritage Classic EFI FLSTCI : 2001–2006
  • Softail Heritage Classic Firefighter FLSTC : 2010, 2013
  • Softail Heritage Classic FLSTC : 2000–2014
  • Softail Heritage Classic Peace Officer FLSTC : 2010, 2013
  • Softail Heritage Classic Police Special EFI FLSTCI : 2006
  • Softail Heritage Classic Shrine FLSTC : 2014
  • Softail Heritage Classic Shrine EFI FLSTCI : 2005–2006
  • Softail Heritage Classic Shrine FLSTC : 2009–2013
  • Softail Heritage EFI FLSTI : 2006
  • Softail Heritage FLST : 2000–2006, 2008–2010
  • Softail Heritage Springer Classic EFI FLSTSCI : 2005–2006
  • Softail Heritage Springer Classic FLSTSC : 2005–2007
  • Softail Heritage Springer EFI FLSTSI : 2001–2003
  • Softail Heritage Springer FLSTS : 2000–2003
  • Softail Night Train EFI FXSTBI : 2001–2006
  • Softail Night Train FXSTB : 2000–2009
  • Softail Rocker C FXCWC : 2008–2011
  • Softail Rocker FXCW : 2008–2009
  • Softail Slim FLS : 2013–2014
  • Softail Springer CVO FXSTSSE : 2007
  • Softail Springer CVO FXSTSSE2 : 2008
  • Softail Springer CVO FXSTSSE3 : 2009
  • Softail Springer EFI FXSTSI : 2001–2006
  • Softail Springer FXSTS : 2000–2006
  • Softail Standard EFI FXSTI : 2001–2006
  • Softail Standard FXST : 2000–2009
  • Sportster 1100 Electric Start Anniversary XLH1100 : 1987
  • Sportster 1100 Electric Start XLH1100 : 1986–1987
  • Sportster 1200 50th Anniversary XL 50 : 2007
  • Sportster 1200 CP XL1200CP : 2012
  • Sportster 1200 Custom Limited A XL1200CA : 2014
  • Sportster 1200 Custom Limited B XL1200CB : 2014
  • Sportster 1200 Custom XL1200C : 1995, 2005–2013
  • Sportster 1200 Custom XL1200C Anniversary : 2013
  • Sportster 1200 Custom XLH1200C : 1996–2003
  • Sportster 1200 Forty-Eight XL1200X : 2010–2013
  • Sportster 1200 Low XL1200L : 2006–2011
  • Sportster 1200 Nightster XL1200N : 2007–2012
  • Sportster 1200 Roadster XL1200R : 2004–2009
  • Sportster 1200 Seventy-Two XL1200V : 2013
  • Sportster 1200 Sport XLH1200S : 1996–2003
  • Sportster 1200 Standard XL1200 : 2006
  • Sportster 1200 Standard XLH1200 : 1988–2003
  • Sportster 883 Custom XL883C : 2004–2010
  • Sportster 883 Custom XLH883C : 1999–2003
  • Sportster 883 Deluxe XLH883 : 1986–1995
  • Sportster 883 Hugger XLH883 : 1987–2003
  • Sportster 883 Iron XL883N : 2009–2013
  • Sportster 883 Low XL883L : 2005–2011
  • Sportster 883 Police XL883 : 2006
  • Sportster 883 Roadster XL883R : 2005–2012
  • Sportster 883 Roadster XLH883R : 2002–2003
  • Sportster 883 Shrine XL883 : 2006
  • Sportster 883 Standard XL883 : 2004–2009
  • Sportster 883 Standard XLH883 : 1986–2003
  • Sportster 883 SuperLow XL883L : 2012–2013
  • Sportster Custom Limited A XL1200CA : 2013
  • Sportster Custom XL1200C : 2014
  • Sportster Custom XL1200CP : 2014
  • Sportster Forty-Eight XL1200X : 2014
  • Sportster Iron XL883N : 2014
  • Sportster Roadster XL883R : 2014
  • Sportster Seventy-Two XL1200V : 2014
  • Sportster SuperLow XL883L : 2014
  • Touring Electra Glide Classic CVO FLHTCSE : 2004
  • Touring Electra Glide Classic CVO FLHTCSE2 : 2005
  • Touring Electra Glide Classic EFI FLHTCI : 1999–2006
  • Touring Electra Glide Classic FLHTC : 1999–2013
  • Touring Electra Glide Classic Shrine EFI FLHTCI : 2004–2005
  • Touring Electra Glide Fire/Rescue FLHTP : 2013
  • Touring Electra Glide Police EFI FLHPEI : 2006
  • Touring Electra Glide Police EFI FLHTPI : 2005–2006
  • Touring Electra Glide Police FLHTP : 1999–2013
  • Touring Electra Glide Standard EFI FLHTI : 2003–2006
  • Touring Electra Glide Standard FLHT : 1999–2009
  • Touring Electra Glide Ultra Classic : 2014
  • Touring Electra Glide Ultra Classic CVO Anniversary FLHTCUSE8 : 2013
  • Touring Electra Glide Ultra Classic CVO EFI FLHTCUSE : 2006
  • Touring Electra Glide Ultra Classic CVO FLHTCUSE2 : 2007
  • Touring Electra Glide Ultra Classic CVO FLHTCUSE3 : 2008
  • Touring Electra Glide Ultra Classic CVO FLHTCUSE4 : 2009
  • Touring Electra Glide Ultra Classic CVO FLHTCUSE5 : 2010
  • Touring Electra Glide Ultra Classic CVO FLHTCUSE6 : 2011
  • Touring Electra Glide Ultra Classic CVO FLHTCUSE7 : 2012
  • Touring Electra Glide Ultra Classic CVO FLHTCUSE8 : 2013
  • Touring Electra Glide Ultra Classic EFI FLHTCUI : 1999–2006
  • Touring Electra Glide Ultra Classic Firefighter FLHTCU : 2010, 2013
  • Touring Electra Glide Ultra Classic FLHTCU : 2007–2013
  • Touring Electra Glide Ultra Classic FLHTCUI : 2005
  • Touring Electra Glide Ultra Classic Peace Officer FLHTCU : 2010, 2013
  • Touring Electra Glide Ultra Classic Police EFI FLHTCUI : 2006
  • Touring Electra Glide Ultra Classic Shrine EFI FLHTCUI : 2005–2006
  • Touring Electra Glide Ultra Classic Shrine FLHTCU : 2010, 2013
  • Touring Electra Glide Ultra Classic Side Car FLHTCU : 2009
  • Touring Electra Glide Ultra Classic Side Car FLHTCUI : 2004–2005
  • Touring Electra Glide Ultra Classic Twin-Cooled : 2014
  • Touring Road Glide Custom CVO Anniversary FLTRXSE2 : 2013
  • Touring Road Glide Custom CVO FLTRXSE : 2012
  • Touring Road Glide Custom CVO FLTRXSE2 : 2013
  • Touring Road Glide Custom FLTRX : 2010–2013
  • Touring Road Glide CVO FLTRSE3 : 2009
  • Touring Road Glide EFI CVO FLTRSEI : 2000
  • Touring Road Glide EFI CVO FLTRSEI2 : 2001
  • Touring Road Glide EFI FLTRI : 1999–2006
  • Touring Road Glide FLTR : 1999–2009
  • Touring Road Glide Ultra CVO FLTRUSE : 2011
  • Touring Road Glide Ultra FLTRU : 2011–2013
  • Touring Road King Classic EFI FLHRCI : 1999–2006
  • Touring Road King Classic FLHRC : 2007–2013
  • Touring Road King Custom EFI FLHRSI : 2004–2006
  • Touring Road King Custom FLHRC : 2014
  • Touring Road King Custom FLHRS : 2004–2007
  • Touring Road King CVO Anniversary FLHRSE5 : 2013
  • Touring Road King CVO EFI FLHRSEI : 2002
  • Touring Road King CVO EFI FLHRSEI2 : 2003
  • Touring Road King CVO FLHRSE : 2014
  • Touring Road King CVO FLHRSE3 : 2007
  • Touring Road King CVO FLHRSE4 : 2008
  • Touring Road King CVO FLHRSE5 : 2013
  • Touring Road King EFI FLHRI : 1999–2006
  • Touring Road King Fire/Rescue FLHP : 2013
  • Touring Road King Firefighter FLHR : 2010, 2013
  • Touring Road King FLHR : 1999–2014
  • Touring Road King FLHR Anniversary : 2013
  • Touring Road King Peace Officer FLHR : 2010, 2013
  • Touring Road King Police CA EFI FLHPEI : 2005–2006
  • Touring Road King Police CA FLHPE : 2007–2011
  • Touring Road King Police EFI FLHPI : 2005–2006
  • Touring Road King Police FLHP : 2007–2013
  • Touring Road King Police Shrine FLHPI : 2006
  • Touring Road King Police Special EFI FLHPI : 2006
  • Touring Road King Shrine EFI FLHRI : 2004–2005
  • Touring Road King Shrine FLHR : 2009–2010, 2013
  • Touring Street Glide CVO FLHXSE : 2010
  • Touring Street Glide CVO FLHXSE2 : 2011
  • Touring Street Glide CVO FLHXSE3 : 2012
  • Touring Street Glide EFI FLHXI : 2006
  • Touring Street Glide FLHX : 2006–2014
  • Touring Street Glide Shrine FLHX : 2014
  • Touring Street Glide Special FLHXS : 2014
  • Touring Street Glide Trike FLHXXX : 2010–2011
  • Touring Ultra Limited Anniversary FLHTK : 2013
  • Touring Ultra Limited FLHTK : 2010–2014
  • Touring Ultra Limited FLHTKSE : 2014
  • Touring Ultra Limited Shrine FLHTK : 2014
  • Tri Glide Ultra Classic FLHTCUTG : 2009–2014
  • Tri Glide Ultra Classic Shrine FLHTCUTG : 2013

Buell Models

  • 1125CC 1125CR : 2010
  • 1125R : 2008–2010
  • 1125RR : 2009
  • Cafe Racer 1125CR : 2009
  • Cyclone M2 : 1997–2002
  • Firebolt XB12R : 2004, 2006–2010
  • Firebolt XB12R XB12R : 2005
  • Firebolt XB9R : 2003–2007
  • Lightning City XB9SX : 2010
  • Lightning CityX XB9SX : 2005–2009
  • Lightning S1 : 1996–1998
  • Lightning Super TT XB12STT : 2007–2008
  • Lightning X1 : 1999–2002
  • Lightning XB12S : 2004–2008, 2010
  • Lightning XB12Ss : 2006–2009
  • Lightning XB9S : 2003–2004
  • Lightning XB9Scq : 2005–2009
  • S3T : 2001–2002
  • Thunderbolt S2 : 1994–1996
  • Thunderbolt S2T : 1995–1996
  • Thunderbolt S3 : 1997–2002
  • Thunderbolt S3T : 1997–2000
  • Ulysses Police XB12XP : 2009
  • Ulysses XB12X : 2006–2010
  • Ulysses XB12XT : 2008–2009
  • White Lightning S1W : 1998
  • XB9R : 2002, 2008–2009
  • XB9S : 2005–2009

Customer Reviews

  Posted:

I used these to help with a problem my bike has of backfiring once in awhile after the ignition is tuned off. they worked very well and last about twice as long as the original plug

  Posted:

Best plugs I have run. evo or tc!

  Posted:

Great plug and price.

  Posted:

so far working well !

  Posted:

Great plugs, but make sure you gap them for the ignition you are running.

  Posted:

nice plugs. exact fit! ! !

  Posted:

Great Value

  Posted:

Nice plugs.

  Posted:

Great spark plugs

  Posted:

very good spark plugs!

  Posted:

Great plugs for the money. Easy start ups on my carb bike. use these on all my bikes

  Posted:

Excellent Plugs!!! Noticed my New Bike (only 2000 miles) runs better after swapping to these. I've put these plugs in other bikes with the same excellent results.

  Posted:

no problems as of yet, no fitment issues came well packaged and in good condition.

  Posted:

Still testing on my 883 Iron. So far so good.

  Posted:

Got many miles out of them, no miss very happy!

  Posted:

Reliable performance on a mildly modified Twin Cam

  Posted:

Excellant plugs. Run nothing but Autolite and these are the best.

  Posted:

Great plugs.

  Posted:

Smooth running plug!

  Posted:

If you are doing your own work it will pay to use these plugs.

  Posted:

Nice plugs, I expect to see a bit better throttle response.