NGK Laser Iridium Spark Plugs Product images may differ from actual product appearance. Superior Ignitability, Stable Idle, and Long Service Life Platinum disc on ground electrode Iridium center electrode tip Smallest tip diameter available Manufacturer-approved design Trivalent metal plating Advanced anticorrosion, antiseizing, and antifouling properties Quicker starts and acceleration Improved fuel economy Lower emissions Quality NGK Spark Plugs Sold individually

739-ITR4A15

Laser Iridium Resistor Spark Plug 14mm x .708" Reach 5/8" Hex Projected Tapered seat Wide gap View this item Fits Applications

$8.99 Ships in 24hrs

739-IZTR4A11

Laser Iridium Resistor Spark Plug 14mm x .708" Reach 5/8" Hex Extended projection Tapered seat Wide gap View this item Fits Applications

$14.99 Ships 02/21/12

739-PTR4B-15

Laser Iridium Resistor Spark Plug 14mm x 0.708" reach 5/8" hex Projected Tapered seat View this item Fits Applications

$9.99 Ships 02/21/12

739-FR5AP-10

Laser Iridium Resistor Spark Plug 14mm x 0.750" reach 5/8" hex Gasket Seat View this item Fits Applications

$8.99 Ships

739-IFR5D10

Laser Iridium Resistor Spark Plug 14mm x 3/4" Reach 5/8" Hex ISO projected Gasket seat Wide gap View this item Fits Applications

$13.99 Ships 02/21/12

739-IFR5E11

Laser Iridium Resistor Spark Plug 14mm x 3/4" Reach 5/8" Hex ISO projected Gasket seat Wide gap View this item Fits Applications

$13.99 Ships

739-IFR5G-11K

Laser Iridium Resistor Spark Plug 14mm x 3/4" Reach 5/8" Hex ISO projected Gasket seat Wide gap View this item Fits Applications

$13.99 Ships 02/21/12

739-IFR5G11

Laser Iridium Resistor Spark Plug 14mm x 3/4" Reach 5/8" Hex ISO projected Gasket seat Wide gap View this item Fits Applications

$13.99 Ships 02/21/12

739-IFR5J11

Laser Iridium Resistor Spark Plug 14mm x 3/4" Reach 5/8" Hex ISO projected Gasket seat Wide gap View this item Fits Applications

$13.99 Ships

739-IFR5N10

Laser Iridium Resistor Spark Plug 14mm x 3/4" Reach 5/8" Hex ISO projected Gasket seat Wide gap View this item Fits Applications

$13.99 Ships

739-IFR5T11

Laser Iridium Resistor Spark Plug 14mm x 3/4" Reach 5/8" Hex ISO projected Gasket seat Wide gap View this item Fits Applications

$11.99 Ships 02/21/12

739-ILTR5A-13G

Laser Iridium Resistor Spark Plug 14mm x 25mm Reach 5/8" Hex Projected Tapered seat Wide gap View this item Fits Applications

$11.99 Ships 02/21/12

739-ILTR5B11

Laser Iridium Resistor Spark Plug 14mm x 25mm Reach 5/8" Hex Projected Tapered seat Wide gap View this item Fits Applications

$9.99 Ships

739-ILTR5C11

Laser Iridium Resistor Spark Plug 14mm x 25mm Reach 5/8" Hex Projected Tapered seat Wide gap View this item Fits Applications

$11.99 Ships 02/21/12

739-ITR5F13

Laser Iridium Resistor Spark Plug 14mm x .708" Reach 5/8" Hex Projected Tapered seat Wide gap View this item Fits Applications

$13.99 Ships

739-IZFR5B

Laser Iridium Resistor Spark Plug 14mm x 3/4" Reach 5/8" Hex ISO extended projection Gasket seat View this item Fits Applications

$13.99 Ships 02/21/12

739-IZFR5G

Laser Iridium Resistor Spark Plug 14mm x 0.750" reach 5/8" hex Gasket Seat View this item

$13.99 Ships 02/21/12

739-IZFR5J

Laser Iridium Resistor Spark Plug 14mm x 3/4" Reach 5/8" Hex Projected Gasket seat View this item

$13.99 Ships

739-IZFR5K11

Laser Iridium Resistor Spark Plug 14mm x 3/4" Reach 5/8" Hex ISO extended projection Gasket seat Wide gap View this item Fits Applications

$13.99 Ships

739-IZTR5B11

Laser Iridium Resistor Spark Plug 14mm x .708" Reach 5/8" Hex Extended projection Tapered seat Wide gap View this item Fits Applications

$11.99 Ships

739-PFR5R-11

Laser Iridium Resistor Spark Plug 14mm x 0.750" reach 5/8" hex Gasket Seat View this item Fits Applications

$9.99 Ships

739-PLFR5A-11

Laser Iridium Resistor Spark Plug 14mm x 1.043" Reach 5/8" Hex Projected Gasket seat Wide gap View this item Fits Applications

$13.99 Ships

739-PZFR5F-11

Laser Iridium Resistor Spark Plug 14mm x 0.750" reach 5/8" hex Projected Gasket Seat View this item Fits Applications

$12.99 Ships 02/21/12

739-PZFR5J-11

Laser Iridium Resistor Spark Plug 14mm x 0.750" reach 5/8" hex Gasket Seat View this item Fits Applications

$13.99 Ships

739-PZTR5A-15

Laser Iridium Resistor Spark Plug 14mm x 3/4" Reach .708" Hex projected Tapered seat View this item Fits Applications

$11.99 Ships

739-BCPR6EP-N-8

Laser Iridium Resistor Spark Plug 14mm x 3/4" reach 5/8" hex Projected Gasket Seat Each View this item Fits Applications

$8.99 Ships 02/21/12

739-BKR6EP-11

Laser Iridium Resistor Spark Plug 14mm x 0.750" reach 5/8" hex Projected Gasket Seat View this item Fits Applications

$8.99 Ships 02/21/12

739-BKR6EQUP

Laser Iridium Resistor Spark Plug 14mm x 3/4" thread 5/8" hex Gasket Seat Non-projected Each View this item Fits Applications

$7.99 Ships

739-FR6EI

Laser Iridium Resistor Spark Plug 14mm x 3/4" Reach 5/8" Hex ISO projected Gasket seat View this item Fits Applications

$13.99 Ships 02/21/12

739-IFR6B-K

Laser Iridium Resistor Spark Plug 14mm x 3/4" Reach 5/8" Hex ISO projected Gasket seat 2-ground electrode View this item Fits Applications

$12.99 Ships 02/21/12

739-IFR6D10

Laser Iridium Resistor Spark Plug 14mm x 3/4" Reach 5/8" Hex ISO projected Gasket seat Wide gap View this item Fits Applications

$11.99 Ships 02/21/12

739-IFR6E11

Laser Iridium Resistor Spark Plug 14mm x 3/4" Reach 5/8" Hex ISO projected Gasket seat Wide gap View this item Fits Applications

$19.99 Ships

739-IFR6J11

Laser Iridium Resistor Spark Plug 14mm x 3/4" Reach 5/8" Hex ISO projected Gasket seat Wide gap View this item

$13.99 Ships 02/21/12

739-IFR6Q-G

Laser Iridium Resistor Spark Plug 14mm x 3/4" Reach 5/8" Hex ISO projected Gasket seat 4-ground electrode View this item Fits Applications

$13.99 Ships 02/21/12

739-IFR6T11

Laser Iridium Resistor Spark Plug 14mm x 3/4" Reach 5/8" Hex ISO projected Gasket seat Wide gap View this item Fits Applications

$11.99 Ships

739-ILFR6A

Laser Iridium Resistor Spark Plug 14mm x 26.5mm Reach 5/8" Hex Projected Gasket seat View this item Fits Applications

$13.99 Ships 02/21/12

739-ILFR6B

Laser Iridium Resistor Spark Plug 14mm x 26.5mm Reach 5/8" Hex Projected Gasket seat View this item Fits Applications

$11.99 Ships

739-ILFR6T11

Laser Iridium Resistor Spark Plug 14mm x 26.5mm Reach 5/8" Hex Projected Gasket seat Wide gap View this item Fits Applications

$9.99 Ships

739-ILTR6A-13G

Laser Iridium Resistor Spark Plug 14mm x 25mm Reach 5/8" Hex Projected Tapered seat Wide gap View this item Fits Applications

$13.99 Ships 02/21/12

739-ILTR6A-8G

Laser Iridium Resistor Spark Plug 14mm x 25mm Reach 5/8" Hex Projected Tapered seat Wide gap View this item Fits Applications

$13.99 Ships 02/21/12

739-ILZFR6D11

Laser Iridium Resistor Spark Plug 14mm x 26.5mm Reach 5/8" Hex ISO extended projection Gasket seat Wide gap View this item Fits Applications

$13.99 Ships 02/21/12

739-ITR6F13

Laser Iridium Resistor Spark Plug 14mm x .708" Reach 5/8" Hex Projected Tapered seat Wide gap View this item Fits Applications

$13.99 Ships

739-IZFR6F11

Laser Iridium Resistor Spark Plug 14mm x 3/4" Reach 5/8" Hex ISO extended projection Gasket seat Wide gap View this item Fits Applications

$13.99 Ships 02/21/12

739-IZFR6K11

Laser Iridium Resistor Spark Plug 14mm x 3/4" Reach 5/8" Hex ISO extended projection Gasket seat Wide gap View this item Fits Applications

$12.99 Ships

739-LZFR6AI

Laser Iridium Resistor Spark Plug 14mm x 26.5mm Reach 5/8" Hex Projected Gasket seat Wide gap View this item Fits Applications

$8.99 Ships 02/21/12

739-PFR6A-11

Laser Iridium Resistor Spark Plug 14mm x 0.750" reach 5/8" hex Gasket Seat View this item Fits Applications

$13.99 Ships

739-PFR6B-11

Laser Iridium Resistor Spark Plug 14mm x 3/4" reach 5/8" hex Gasket seat Wide gap Projected View this item Fits Applications

$12.99 Ships

739-PFR6B-9

Laser Iridium Resistor Spark Plug 14mm x 3/4" reach 5/8" hex Gasket seat Wide gap Projected View this item

$18.99 Ships

739-PFR6J-11

Laser Iridium Resistor Spark Plug 14mm x 0.750" reach 5/8" hex Projected Gasket seat View this item Fits Applications

$11.99 Ships

739-PFR6T-10G

Laser Iridium Resistor Spark Plug 14mm x 3/4" reach 5/8" hex Gasket Seat Projected Solid terminal nut View this item Fits Applications

$13.99 Ships 02/21/12

739-PLFR6A-11

Laser Iridium Resistor Spark Plug 14mm x 26.5mm reach 5/8" hex Projected Gasket Seat View this item Fits Applications

$13.99 Ships

739-PZFR6F-11

Laser Iridium Resistor Spark Plug 14mm x 0.750" reach 5/8" hex Projected Gasket Seat View this item Fits Applications

$9.99 Ships

739-SILFR6A

Laser Iridium Resistor Spark Plug 14mm x 26.5mm Reach 5/8" Hex Projected Gasket seat View this item Fits Applications

$13.99 Ships 02/21/12

739-BKR7EQUP

Laser Iridium Resistor Spark Plug 14mm x 3/4" reach 5/8" hex 4 ground straps Gasket Seat View this item Fits Applications

$9.99 Ships

739-BUR7EQP

Laser Iridium Resistor Spark Plug 14mm x 0.750" reach 13/16" hex 4 ground straps Gasket Seat View this item Fits Applications

$8.99 Ships

739-IFR7G-11KS

Laser Iridium Resistor Spark Plug 14mm x 3/4" Reach 5/8" Hex ISO projected Gasket seat Wide gap View this item Fits Applications

$11.99 Ships 02/21/12

739-IFR7L11

Laser Iridium Resistor Spark Plug 14mm x 3/4" Reach 5/8" Hex Projected Gasket seat Wide gap View this item

$11.99 Ships

739-IGR7A-G

Laser Iridium Resistor Spark Plug 14mm x 3/4" Reach 13/16" Hex Gasket seat View this item Fits Applications

$13.99 Ships

739-ILFR7H

Laser Iridium Resistor Spark Plug 14mm x 26.5mm Reach 5/8" Hex Projected Gasket seat View this item Fits Applications

$13.99 Ships 02/21/12

739-ILZKR7A

Laser Iridium Resistor Spark Plug 12mm x 26.5mm Reach 5/8" Hex Extended projection Gasket seat View this item Fits Applications

$13.99 Ships

739-IZKR7B

Laser Iridium Resistor Spark Plug 12mm x 3/4" Reach 5/8" Hex Extended shell Gasket seat View this item Fits Applications

$13.99 Ships

739-PGR7A

Laser Iridium Resistor Spark Plug 14mm x .750" reach 5/8" hex Gasket Seat View this item Fits Applications

$14.99 Ships 02/21/12

739-PKR7A

Laser Iridium Resistor Spark Plug 12mm x 3/4" reach 5/8" hex Gasket seat View this item Fits Applications

$15.99 Ships

739-RE7C-L

Laser Iridium Resistor Spark Plug 14mm x 21mm Reach 13/16" Hex Gasket seat View this item Fits Applications

$21.99 Ships

739-BUR9EQP

Laser Iridium Resistor Spark Plug 14mm x 0.750" reach 13/16" hex 4 ground straps Gasket Seat View this item Fits Applications

$8.99 Ships

739-CR9EIA-9

Laser Iridium Resistor Spark Plug 10mm x 0.750" reach 5/8" hex Gasket Seat View this item

$7.99 Ships

739-IFR8H11

Laser Iridium Resistor Spark Plug 14mm x 3/4" Reach 5/8" Hex ISO projected Gasket seat Wide gap More info on NGK Spark Plugs IFR8H11

$12.99 Ships

739-IFR9H11

Laser Iridium Resistor Spark Plug 14mm x 3/4" reach 5/8" hex Projected Gasket seat Solid Terminal Nut View this item

$15.99 Ships

739-IMR9D-9H

Laser Iridium Spark Plug 10mm x 0.750" reach 5/8" hex Gasket Seat View this item

$11.99 Ships

739-RE9B-T

Laser Iridium Resistor Spark Plug 14mm x 21mm Reach 13/16" Hex Gasket seat View this item Fits Applications

$21.99 Ships