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
    8 pc NGK Standard 1049 B8EFS Spark Plugs
    Special Price $26.90 Regular Price $37.99
  2. NGK Spark Plug
    4 pc NGK Standard 93961 LKAR7C-9 Spark Plugs
    Special Price $33.82 Regular Price $34.51
  3. NGK Standard
    6 pc NGK Standard 3133 BPZ8HS-10 Spark Plugs
    Rating:
    100%
    Special Price $47.73 Regular Price $67.99
  4. Champion Spark Plug
    6 pc Champion Iridium 9005 QC10WEP Spark Plugs
    Special Price $54.71 Regular Price $77.99
  5. Autolite Iridium XP Spark Plug
    Autolite Iridium XP XP5701 Spark Plug
    Special Price $6.46 Regular Price $6.52
  6. NGK V-Power
    8 pc NGK V-Power 3951 TR55 Spark Plugs
    Special Price $25.72 Regular Price $36.99
  7. NGK V-Power
    10 pc NGK V-Power 5574 BPM8Y SOLID Spark Plugs
    Special Price $27.54 Regular Price $38.99
  8. NGK Spark Plug
    8 pc NGK V-Power Racing 5238 R5671A-9 Spark Plugs
    Rating:
    90%
    Special Price $42.34 Regular Price $59.99
  9. NGK Iridium IX
    16 pc NGK Iridium IX Spark Plugs for 2009-2020 Dodge Challenger 5.7L V8
    Rating:
    100%
    Special Price $129.27 Regular Price $184.99
  10. NGK Laser Iridium
    4 pc NGK Laser Iridium 6289 CR9EIA-9 Spark Plugs
    Special Price $36.08 Regular Price $51.99
  11. NGK Iridium IX
    NGK Iridium IX 4344 LTR5IX-11 Spark Plug
    Rating:
    80%
    Special Price $7.80 Regular Price $10.99
  12. NGK Iridium IX
    8 pc NGK Iridium IX 6509 LTR6IX-11 Spark Plugs
    Special Price $60.05 Regular Price $85.99
  13. NGK Laser Platinum
    NGK Laser Platinum 4764 BUR7EQP Spark Plug
    Special Price $9.41 Regular Price $12.99
  14. NGK V-Power
    NGK V-Power 5155 FR4 Spark Plug
    Special Price $2.62 Regular Price $3.99
  15. Champion Spark Plug
    Champion 792 C59YC Spark Plug
    Special Price $3.83 Regular Price $4.99
  16. NGK Standard
    NGK Standard 6799 LZKAR7A Spark Plug
    Special Price $4.16 Regular Price $5.99
  17. NGK Standard
    2 pc NGK Standard 7022 BPR6HS Spark Plugs
    Special Price $4.85 Regular Price $6.99
  18. NGK V-Power
    NGK V-Power 3672 LFR6A-11 Spark Plug
    Special Price $6.57 Regular Price $8.99
  19. Champion Spark Plug
    Champion Iridium 9201 RC12WYPB4 Spark Plug
    Special Price $6.75 Regular Price $9.99
  20. NGK Iridium IX
    NGK Iridium IX 4218 CR8EIX Spark Plug
    Special Price $7.94 Regular Price $10.99
  21. DENSO Spark Plug
    DENSO Iridium TT 4702 IK20TT Spark Plug
    Special Price $8.54 Regular Price $11.99
  22. NGK Standard
    NGK Standard 7168 DCPR8EKC Spark Plug
    Special Price $10.61 Regular Price $14.99
  23. NGK Standard
    4 pc NGK Standard 4549 CR7HSA Spark Plugs
    Special Price $11.62 Regular Price $16.99
  24. NGK Standard
    6 pc NGK Standard 6703 BPMR7A SOLID Spark Plugs
    Special Price $15.86 Regular Price $22.99
  25. Champion Spark Plug
    8 pc Champion Copper Plus 344 RC9YC Spark Plugs
    Special Price $21.73 Regular Price $30.99
  26. NGK Standard
    8 pc NGK Standard 7022 BPR6HS Spark Plugs
    Special Price $24.62 Regular Price $34.99
  27. NGK Standard
    4 pc NGK Standard 2360 CR10EK Spark Plugs
    Rating:
    100%
    Special Price $34.86 Regular Price $49.99
  28. NGK Laser Iridium
    6 pc NGK Laser Iridium Spark Plugs for 2005-2015 Toyota Tacoma 4.0L V6
    Rating:
    100%
    Special Price $58.94 Regular Price $83.99
  29. NGK Iridium IX
    8 pc NGK Iridium IX 3690 TR7IX Spark Plugs
    Rating:
    100%
    Special Price $60.73 Regular Price $86.99
  30. NGK Iridium IX
    NGK Iridium IX 3006 BR10ECMIX Spark Plug
    Special Price $13.22 Regular Price $18.99
  31. Champion Spark Plug
    16 pc Champion Copper Plus Spark Plugs for 2011-2019 Ram 1500 5.7L V8
    Rating:
    97%
    Special Price $48.63 Regular Price $68.99
  32. Champion Spark Plug
    Champion 694 C53VC Spark Plug
    Special Price $4.96 Regular Price $6.99
  33. NGK Laser Iridium
    NGK Laser Iridium 95710 DILZKR7B11GS Spark Plug
    Special Price $19.01 Regular Price $26.99
  34. NGK Iridium IX
    NGK Iridium IX 3797 CR8EHIX-9 Spark Plug
    Special Price $7.94 Regular Price $10.99
  35. DENSO Spark Plug
    DENSO 3484 FK16HR-A8 Spark Plug
    Special Price $18.16 Regular Price $25.99
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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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