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NGK Iridium IX Spark Plugs -.055 Plug Gap

What GAP to use?

Prior to 2005 GM used .055 GAP spark plugs on all LSx motors (this size). Starting in 2005, they switched to .040 GAP plugs to provide a better idle when things like cheap gas are encountered. Either a .060, or .040 GAP plug will work in any LSX motor with the smaller GAP being best for daily driven, mildly modded cars.  

Best replacement plug for stock/midly modified LSx motors.

 

The Spark Plug Serious Enthusiasts Rely On

Designed specifically for the performance enthusiast.  Iridium IX offers extreme ignitability, improved throttle response and superior anti fouling

  • Fine Iridium tip ensures high durability and a consistently stable spark
  • Iridium alloy has extremely high melting point, perfect for today’s high-tech, high-performance engines
  • “Trivalent Metal Plating” has superior anti-corrosion and anti-seizing properties
  • Outstanding acceleration, high fuel efficiency and durability
  • Ultimate design, technology and performance

Fits most GM LSX (LS1, LS2, LS6, etc) applications.

 

 

 

Brand:

NGK Iridium IX TR-55IX Spark Plugs (.055 GAP) - GM LSx V8 Applications (Set of 8)

MSRP: $79.92
$79.92
$59.95
You save $19.97
SKU:
NGK-7164-8
Shipping:
Calculated at Checkout

Description

Hide Show

NGK Iridium IX Spark Plugs -.055 Plug Gap

What GAP to use?

Prior to 2005 GM used .055 GAP spark plugs on all LSx motors (this size). Starting in 2005, they switched to .040 GAP plugs to provide a better idle when things like cheap gas are encountered. Either a .060, or .040 GAP plug will work in any LSX motor with the smaller GAP being best for daily driven, mildly modded cars.  

Best replacement plug for stock/midly modified LSx motors.

 

The Spark Plug Serious Enthusiasts Rely On

Designed specifically for the performance enthusiast.  Iridium IX offers extreme ignitability, improved throttle response and superior anti fouling

  • Fine Iridium tip ensures high durability and a consistently stable spark
  • Iridium alloy has extremely high melting point, perfect for today’s high-tech, high-performance engines
  • “Trivalent Metal Plating” has superior anti-corrosion and anti-seizing properties
  • Outstanding acceleration, high fuel efficiency and durability
  • Ultimate design, technology and performance

Fits most GM LSX (LS1, LS2, LS6, etc) applications.

 

 

 

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”NGK <p class=techSubtitle><span style=font-size: x-small; font-family: Verdana, Arial, Helvetica, sans-serif;><span style=text-decoration: underline;><strong>NGK&nbsp;Iridium IX&nbsp;Spark Plugs</strong></span> -.055 Plug Gap</span></p> <p class=techSubtitle><span style=font-size: x-small; font-family: Verdana;><strong>What GAP to use?</strong></span></p> <p class=techSubtitle><span style=font-size: x-small; font-family: Verdana;>Prior to 2005 GM used .055 GAP spark plugs on all LSx motors (this size). Starting in 2005, they switched to .040 GAP plugs&nbsp;to provide a better idle&nbsp;when things like cheap gas are&nbsp;encountered. Either&nbsp;a .060, or .040 GAP plug will work in any LSX motor with the smaller&nbsp;GAP being best for daily driven, mildly modded cars.&nbsp;&nbsp;</span></p> <p class=techSubtitle><span style=font-size: x-small; font-family: Verdana;>Best replacement plug for stock/midly modified LSx motors.</span></p> <p><span style=font-size: x-small; font-family: Verdana, Arial, Helvetica, sans-serif;>&nbsp;</span><span style=font-size: x-small; font-family: Verdana, Arial, Helvetica, sans-serif;> <p class=subtitle1><strong>The Spark Plug Serious Enthusiasts Rely On</strong></p> <p class=copyC2>Designed specifically for the performance enthusiast.&nbsp; Iridium IX offers extreme ignitability, improved throttle response and superior anti fouling</p> <ul id=prodList> <li class=copyC2>Fine Iridium tip ensures high durability and a consistently stable spark </li> <li class=copyC2>Iridium alloy has extremely high melting point, perfect for today&rsquo;s high-tech, high-performance engines</li> <li><span class=copyC2>&ldquo;Trivalent Metal Plating&rdquo; has superior anti-corrosion and anti-seizing properties <br /></span></li> <li class=copyC2>Outstanding acceleration, high fuel efficiency and durability</li> <li class=copyC2>Ultimate design, technology and performance </li> </ul> <span style=font-size: x-small; font-family: Verdana, Arial, Helvetica, sans-serif;><font face=Verdana, Arial, Helvetica, sans-serif size=2> <p class=techSubtitle>Fits most GM LSX (LS1, LS2, LS6, etc) applications.</p> </font></span> <p class=techSubtitle>&nbsp;</p> </span> <p class=techSubtitle>&nbsp;</p> </p> <p class=techSubtitle>&nbsp;</p>
59.95