Spark Plugs

NGK spark plugs and DENSO spark plugs, plus those from Autolite, Bosch, and Champion, help maximize engine power and operating performance ride after ride. We carry thousands of spark plugs for everything from Chevy to Ford, Volkswagen to Toyota, all with a 100% fitment guarantee. Browse popular spark plugs including NGK Iridium, NGK Racing, NGK G-Power, and many more replacement spark plugs. Our top-grade Spark Plugs are the key to igniting your ride. Ensure they’re well protected in the Cylinder Head and properly connected via the Coil Boots when replacing them.

NGK spark plugs and DENSO spark plugs, plus those from Autolite, Bosch, and Champion, help maximize engine power and operating performance ride after ride. We carry thousands of spark plugs for everything from Chevy to Ford, Volkswagen to Toyota, all with a 100% fitment guarantee. Browse popular spark plugs including NGK Iridium, NGK Racing, NGK G-Power, and many more replacement spark plugs. Ensure they’re well protected in the Cylinder Head and properly connected via the Coil Boots when replacing them.

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  1. NGK Standard
    4 pc NGK Standard 3066 CMR7H Spark Plugs
    Special Price $16.41 Regular Price $22.99
  2. NGK V-Power
    8 pc NGK V-Power 4177 TR6 Spark Plugs
    Rating:
    100%
    Special Price $22.88 Regular Price $32.99
  3. NGK V-Power
    8 pc NGK V-Power 2238 TR5 Spark Plugs
    Rating:
    100%
    Special Price $25.72 Regular Price $36.99
  4. NGK Iridium IX
    NGK Iridium IX 6418 BKR6EIX Spark Plug
    Rating:
    100%
    Special Price $7.80 Regular Price $10.99
  5. NGK Iridium IX
    NGK Iridium IX 3764 BKR6EIX-11 Spark Plug
    Special Price $7.80 Regular Price $10.99
  6. NGK G-Power
    2 pc NGK G-Power 7090 BKR5EGP Spark Plugs
    Special Price $7.81 Regular Price $10.99
  7. NGK Laser Iridium
    NGK Laser Iridium 4904 ILFR6T11 Spark Plug
    Special Price $9.71 Regular Price $13.99
  8. NGK V-Power
    8 pc NGK V-Power 3346 BR7EF Spark Plugs
    Rating:
    100%
    Special Price $25.72 Regular Price $36.99
  9. NGK Standard
    10 pc NGK Standard 3365 CMR6H Spark Plugs
    Special Price $38.83 Regular Price $54.99
  10. NGK Laser Iridium
    NGK Laser Iridium 6994 IZFR6K11 Spark Plug
    Rating:
    100%
    Special Price $12.85 Regular Price $17.99
  11. NGK Spark Plug
    6 pc NGK Laser Iridium 95350 DILZKR7B11G Spark Plugs
    Rating:
    100%
    Special Price $93.87 Regular Price $95.79
  12. Champion Spark Plug
    16 pc Champion Copper Plus Spark Plugs for 2003-2008 Dodge Ram 1500 5.7L V8
    Rating:
    100%
    Special Price $49.52 Regular Price $70.99
  13. DENSO Spark Plug
    DENSO Platinum TT 4503 PK16TT Spark Plug
    Special Price $3.91 Regular Price $5.99
  14. DENSO Spark Plug
    DENSO Platinum TT 4506 PKH20TT Spark Plug
    Special Price $6.44 Regular Price $8.99
  15. NGK Standard
    NGK Standard 5881 BKR7EKU Spark Plug
    Special Price $6.77 Regular Price $9.99
  16. NGK Iridium IX
    NGK Iridium IX 3981 BR9EIX Spark Plug
    Special Price $8.22 Regular Price $11.99
  17. DENSO Spark Plug
    DENSO Iridium TT 4703 IKH16TT Spark Plug
    Special Price $9.10 Regular Price $12.99
  18. NGK Standard
    NGK Standard 1643 LKR7E Spark Plug
    Special Price $6.73 Regular Price $6.77
  19. NGK Standard
    NGK Standard 2095 BKR7EKC-N Spark Plug
    Special Price $7.08 Regular Price $9.99
  20. NGK Iridium IX
    NGK Iridium IX 2668 BKR8EIX Spark Plug
    Special Price $7.80 Regular Price $10.99
  21. NGK Iridium IX
    NGK Iridium IX 6482 CR10EIX Spark Plug
    Special Price $7.94 Regular Price $10.99
  22. NGK Iridium IX
    NGK Iridium IX 7803 DPR7EIX-9 Spark Plug
    Special Price $8.03 Regular Price $10.99
  23. NGK Iridium IX
    NGK Iridium IX 7067 BR7HIX Spark Plug
    Special Price $8.17 Regular Price $11.99
  24. DENSO Spark Plug
    DENSO Iridium TT 4707 IQ20TT Spark Plug
    Special Price $8.20 Regular Price $8.22
  25. DENSO Spark Plug
    DENSO 3297 SK20R11 Spark Plug
    Rating:
    90%
    Special Price $8.92 Regular Price $12.99
  26. DENSO Spark Plug
    DENSO Iridium TT 4710 IXEH20ETT Spark Plug
    Special Price $10.83 Regular Price $14.99
  27. NGK Spark Plug
    4 pc NGK V-Power Racing 7317 R5724-8 Spark Plugs
    Rating:
    100%
    Special Price $12.10 Regular Price $16.99
  28. NGK Iridium IX
    NGK Iridium IX 2707 BR9ECMIX Spark Plug
    Special Price $13.22 Regular Price $18.99
  29. NGK Laser Platinum
    NGK Laser Platinum 6378 PMR8B Spark Plug
    Special Price $14.04 Regular Price $19.99
  30. NGK Laser Iridium
    NGK Laser Iridium 6205 LKAR9BI9 Spark Plug
    Special Price $14.08 Regular Price $19.99
  31. NGK Laser Iridium
    NGK Laser Iridium 7751 ILZKR7B11 Spark Plug
    Special Price $14.38 Regular Price $20.99
  32. DENSO Spark Plug
    DENSO 3491 FK20HBR8 Spark Plug
    Special Price $18.20 Regular Price $25.99
  33. NGK Standard
    8 pc NGK Standard 1049 B8EFS Spark Plugs
    Special Price $26.90 Regular Price $37.99
  34. NGK Standard
    8 pc NGK Standard 3066 CMR7H Spark Plugs
    Special Price $32.06 Regular Price $33.05
  35. NGK Spark Plug
    4 pc NGK Standard 93961 LKAR7C-9 Spark Plugs
    Special Price $33.82 Regular Price $34.51
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Whether you are looking for a long-lasting performance spark plug, or one for everyday use, Sixity has the NGK, DENSO, and Champion spark plugs you need, at prices you will not find anywhere else.

Spark Plug Features

  • Precision ceramic insulators
  • Corrosion-resistant shell with triple high pressure gas seals
  • Screw or snap-on electrical connectors
  • Pre-installed metal compression gaskets
  • Copper-core electrode cooling
  • Application specific heat-range design
  • Improved cold-starting performance
  • Smooth firing at high or low engine RPM
  • Reduced electrode erosion and long service life
  • Enhanced ignition efficiency and fuel economy
  • Superior anti-fouling characteristics
  • Reduced hot-spark firing voltage requirements
  • Maximum engine horsepower and torque
  • Superior throttle-response, acceleration and WOT performance
  • Precision Laser-welded Iridium electrodes - 6X harder than platinum
  • Precision ceramic insulators
  • Corrosion-resistant shell with triple high pressure gas seals
  • Screw or snap-on electrical connectors
  • Pre-installed metal compression gaskets
  • Copper-core electrode cooling
  • Application specific heat-range design
  • Improved cold-starting performance
  • Smooth firing at high or low engine RPM
  • Reduced electrode erosion and long service life
  • Enhanced ignition efficiency and fuel economy
  • Superior anti-fouling characteristics
  • Reduced hot-spark firing voltage requirements
  • Maximum engine horsepower and torque
  • Superior throttle-response, acceleration and WOT performance
  • Precision Laser-welded Iridium electrodes - 6X harder than platinum
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