Spark plug part number!

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Oct 20, 2009, 06:10 PM

#16

wariosport

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What about BKR5EIX-11?

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Oct 30, 2009, 12:09 AM

#17

aguita

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Dec 16, 2009, 07:53 AM

#18

dolson222

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Quote:

Originally Posted by GST Motorsports

Evo 8:

Iridiums:

Stock heat range:
NGK iridium - BPR7EIX - $7.32/ea @ sparkplugs.com
Denso - IW22 - $11.99/ea @ sparkplugs.com

1/2 step colder:
NGK iridium - BR7EIX - $7.32/ea @ sparkplugs.com

1 step colder:
NGK iridium - BPR8EIX - $8.00/ea @ sparkplugs.com
Denso - IW24 - $11.99/ea @ sparkplugs.com

1 1/2 step colder:
NGK iridium - BR8EIX - $7.32/ea @ sparkplugs.com

Copper:
Gap @ .024-.026

Stock heat range:
NGK - BPR7ES - $2.24/ea @ sparkplugs.com
Denso - W22EPR-U - $2.24/ea @ sparkplugs.com
Autolite - 3924 - $1.90/ea @ Pep Boys or Kragen

1/2 step colder:
NGK - BR7ES - $2.24/ea @ sparkplugs.com
Denso - W22ESR-U - $2.24/ea @ sparkplugs.com

1 step colder:
NGK - BPR8ES - $2.24/ea @ sparkplugs.com
Denso - W24EPR-U - $2.24/ea @ sparkplugs.com

1 1/2 step colder:
NGK - BR8ES - $2.24/ea @ sparkplugs.com
Denso - W24ESR-U - $2.24/ea @ sparkplugs.com

Evo 9:

Iridiums:

Stock heat range:
NGK - ILFR7H - $11.71/ea @ sparkplugs.com
Denso - IKH22 - $11.95/ea @ sparkplugs.com
Autolite - XP5325 - $6.xx/ea @ Kragen

1 step colder:
NGK - R7437-8 - $41.52/ea @ sparkplugs.com
Denso - IKH24 - $11.95/ea @ sparkplugs.com

Evo 10:

Iridiums:

Stock heat range:

NGK - ILKR8E6 - OEM part #1822A021 - $13.23/ea @ mitsubishiparts.net

What the heck is so special about the NGK - R7437-8 - $41.52/ea @ sparkplugs.com causing the drastic price increase when the denso stays the same price.