Laser Iridium Spark Plug
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Laser Iridium Spark Plug Laser Iridium Spark Plug
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NGK Laser Iridium Spark Plug

Part No. 4904 Warranty Details  
$9.99
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OE-style long-life spark plug; laser-welded iridium center electrode and platinum ground electrode; tapered ground electrode helps minimize quenching; consistent and stable spark; enhanced acceleration; high fuel efficiency and durability.

Product Features:
  • Iridium-tipped center electrode is 6 times harder than platinum
  • Platinum-tipped ground electrode helps ensure great durability and long life
  • Recommended for vehicles using distributorless ignition systems
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Center Electrode Core Material:Copper Core
Center Electrode Tip Material:Iridium
Electrode Core Material:Iridium
Electrode Tip Material:Iridium
Gap Size:0.044 in
Ground Configuration:Standard
Ground Electrode Core Material:Nickel Core
Ground Electrode Quantity:1
Ground Electrode Tip Design:Standard
Ground Strap Quantity:1
Hex Size:5/8 in
Manufacturer Heat Range:6
Reach:26.5 mm
Resistor:Yes
Seat Type:Gasket
Shorty Spark Plug:No
Spark Plug Approximate Resistor Value:5K Ohm
Thread Diameter:14 mm
Tip Configuration:Solid
Type:Iridium/Platinum
Wrench Diameter:5/8 in

REVIEW SNAPSHOT®

by PowerReviews
NGKLaser Iridium Spark Plug
 
3.5

(based on 2 reviews)

Ratings Distribution

  • 5 Stars

     

    (1)

  • 4 Stars

     

    (0)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (1)

  • 1 Stars

     

    (0)

Reviewed by 2 customers

Displaying reviews 1-2

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(2 of 2 customers found this review helpful)

 
5.0

Super Plugs NGK

By 

from Eustis,FL.

About Me Auto Enthusiast, Car And Truck Specialist, Casual Driver, Competitive Driver, Mechanic, Tech Since 1978, Truck Enthusiast

See all my reviews

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3 or more reviews submitted

Pros

  • Better Fuel Milage Epa
  • Durable
  • Easy To Install
  • Improves Engine Efficiency
  • Increases Power
  • Lightweight
  • No Foul Super Start
  • Quicker Start Runs Cool
  • Race Proven For Many Yrs

Cons

  • No Cons At All

Best Uses

  • Best Plugs Money Buys
  • Everyday Driving
  • Performance Driving
  • Racing
  • Replacement
  • Restoration

Comments about NGK Laser Iridium Spark Plug:

No Better plug ever than NGK, Best Plugs ever made to top specs !

(1 of 11 customers found this review helpful)

 
2.0

Dont waste your money

By 

from Boston Mass

Pros

  • Easy To Install
  • Lightweight

Cons

  • No Improvement In Performance

Best Uses

    Comments about NGK Laser Iridium Spark Plug:

    I replaced these with the OEM Denso, toyota put in the engine. I always heard NGK are the best for foreign engines. For [$] a plug I couldnt even tell a difference in performance from the OEM plugs. Waste of money, should of bought some plugs worth $3.

    Displaying reviews 1-2

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