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What type spark plugs?

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  #11  
Old 03-23-2008, 06:59 AM
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Default RE: What type spark plugs?

here's a plug cross-reference link

http://www.harley-performance.com/ha...park-plug.html
 
  #12  
Old 03-23-2008, 07:33 AM
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Default RE: What type spark plugs?

I am using the HD Platinum 6R12PP in both my SG and the wifes Sportster. Started using them in her SP to help with a plug fouling problem and they worked so well I put them in my bike. They cost a little more but in my mind they perform much better. Have had no problems with them in either bike. Both bikes run great on them.

Ride Safe,

Mike
 
  #13  
Old 03-23-2008, 09:21 AM
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Default RE: What type spark plugs?

I got the NGK iridiums at O'reily's for $6.99 ea. Should I leave the stockers in when I dyno tune? I have the PC III USB.
 
  #14  
Old 03-23-2008, 10:49 AM
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Default RE: What type spark plugs?

We use 6R12's in most all motors and 10R12's in high compression high performance motors (120+ hp). NEVER had a problem with either.

When your only buying 2 is cheaper really an issue?
 
  #15  
Old 03-23-2008, 11:41 AM
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Default RE: What type spark plugs?

YES
Nippondenso Irridium

Link to how to read plugs. while you're at it.
http://www.iridiumpower.com/howtoreadusedplugs.php
 
  #16  
Old 03-23-2008, 11:52 AM
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Default RE: What type spark plugs?

ORIGINAL: shagnasty

Looking for a replacment plug for my bike. 2006 FLHCI. I'd like an iridium plug. Also can I buy them at the big name auto parts store?
I am using SplitFire spark plugs in my '99 RKC

Check out this link: www.harley-performance.com/harley-spark-plug.html

Peter





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