Laser Iridium
Laser IridiumĀ® spark plugs provide superior ignitability and long service life. Smallest tip diameter available Iridium / Platinum surfaces ensure slow wear rate providing stable idle, superior anti fouling, improved fuel efficiency and lower emissions

  • Laser welded Iridium center electrode tip
  • Platinum disc welded to backside of ground electrode provides long life
  • Trivalent Metal Plating for superior anti-corrosion and anti-seizing
  • Tapered ground electrode to minimize quenching
  • Consistent and stable spark
  • Faster starts and quicker acceleration
  • Better fuel economy and lower emissions

Spark Plug Type Performance Differences

Correct Way to Check, Set, and Adjust Your Spark Plug Gap

Center Electrode Core Material Copper Core
Center Electrode Tip Material Iridium
Gap Size 0.044 in
Ground Electrode Quantity 1
Hex Size 13/16″
Insulator Height ISO
Manufacturer Heat Range 7
Additional Info 5K Ohm
Seat Type Gasket
Reach 21MM
Thread Diameter 14 MM
Ground Electrode Tip Design Pin Type
Ground Configuration Slant
Ground Electrode Core Material Platinum
Alternate/OEM Part Number(s): 3514, RE7CL


SKU: 6700 Category: Brand:


Sold in set of {2}; Price reflects cost of each individual item, not the pack


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Make Model Engine Year
MAZDA RX-8 1.3L R2 2004 - 2011
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