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 Spark Plug
    NGK V-Power Racing 6596 R5671A-11 Spark Plug
    Special Price $4.67 Regular Price $6.99
  2. NGK Laser Iridium
    NGK Laser Iridium 6289 CR9EIA-9 Spark Plug
    Special Price $9.02 Regular Price $12.99
  3. NGK Laser Iridium
    NGK Laser Iridium 4212 ILFR6G-E Spark Plug
    Rating:
    90%
    Special Price $14.08 Regular Price $19.99
  4. NGK Spark Plug
    NGK Standard 93226 KR9E-G Spark Plug
    Rating:
    100%
    Special Price $6.10 Regular Price $8.99
  5. NGK Spark Plug
    NGK V-Power Racing 4554 R5671A-8 Spark Plug
    Special Price $4.93 Regular Price $6.99
  6. NGK Spark Plug
    NGK Ruthenium HX 96355 LFR5AHX Spark Plug
    Special Price $11.91 Regular Price $17.99
  7. NGK Spark Plug
    NGK V-Power Racing 5238 R5671A-9 Spark Plug
    Special Price $4.93 Regular Price $6.99
  8. NGK Spark Plug
    NGK Iridium IX 93175 LKR7DIX-11S Spark Plug
    Rating:
    100%
    Special Price $8.17 Regular Price $11.99
  9. NGK Laser Iridium
    6 pc NGK Laser Iridium 4462 IZFR6J Spark Plugs
    Rating:
    100%
    Special Price $75.51 Regular Price $107.99
  10. NGK Standard
    NGK Standard 4339 DCPR8E Spark Plug
    Rating:
    100%
    Special Price $3.36 Regular Price $4.99
  11. NGK Iridium IX
    NGK Iridium IX 2309 LFR7AIX Spark Plug
    Special Price $8.17 Regular Price $11.99
  12. NGK Iridium IX
    NGK Iridium IX 5944 BPR7HIX Spark Plug
    Special Price $7.84 Regular Price $10.99
  13. NGK Spark Plug
    NGK Laser Iridium 95350 DILZKR7B11G Spark Plug
    Rating:
    100%
    Special Price $19.06 Regular Price $25.99
  14. NGK Standard
    NGK Standard 2360 CR10EK Spark Plug
    Special Price $8.95 Regular Price $12.99
  15. NGK Laser Iridium
    6 pc NGK Laser Iridium 5887 IZFR5G Spark Plugs
    Rating:
    100%
    Special Price $75.51 Regular Price $107.99
  16. NGK Iridium IX
    NGK Iridium IX 4919 BCPR6EIX-11 Spark Plug
    Special Price $8.12 Regular Price $10.99
  17. NGK Standard
    NGK Standard 4549 CR7HSA Spark Plug
    Special Price $2.65 Regular Price $3.99
  18. NGK Spark Plug
    NGK Laser Iridium 90288 DILKAR7M8 Spark Plug
    Special Price $18.47 Regular Price $26.99
  19. NGK Iridium IX
    NGK Iridium IX 3521 CR9EIX Spark Plug
    Special Price $7.62 Regular Price $10.99
  20. NGK Laser Iridium
    NGK Laser Iridium 5887 IZFR5G Spark Plug
    Rating:
    80%
    Special Price $14.50 Regular Price $20.99
  21. NGK V-Power
    NGK V-Power 7558 ZFR5F Spark Plug
    Special Price $2.82 Regular Price $3.99
  22. NGK Iridium IX
    16 pc NGK Iridium IX Spark Plugs for 2011-2021 Ram 1500 5.7L V8
    Rating:
    98%
    Special Price $128.44 Regular Price $179.99
  23. NGK Laser Iridium
    NGK Laser Iridium 5766 IMR9C-9HES Spark Plug
    Special Price $14.31 Regular Price $19.99
  24. NGK Laser Platinum
    NGK Laser Platinum 7696 PZFR6H Spark Plug
    Special Price $11.54 Regular Price $15.99
  25. Champion Spark Plug
    6 pc Champion Iridium 9809 QC8WEP Spark Plugs
    Rating:
    100%
    Special Price $56.13 Regular Price $79.99
  26. NGK Spark Plug
    2 pc NGK V-Power Racing 5820 R5671A-10 Spark Plugs
    Rating:
    100%
    Special Price $11.24 Regular Price $15.99
  27. NGK Spark Plug
    NGK Laser Iridium 95399 SILMAR9B9 Spark Plug
    Special Price $15.23 Regular Price $21.99
  28. NGK V-Power
    6 pc NGK V-Power 4177 TR6 Spark Plugs
    Rating:
    100%
    Special Price $17.30 Regular Price $24.99
  29. Champion Spark Plug
    Champion Platinum 3071 RC12PYC Spark Plug
    Special Price $3.09 Regular Price $3.99
  30. NGK Iridium IX
    NGK Iridium IX 6510 LTR7IX-11 Spark Plug
    Special Price $7.80 Regular Price $11.99
  31. NGK Standard
    NGK Standard 5881 BKR7EKU Spark Plug
    Special Price $6.77 Regular Price $9.99
  32. NGK Spark Plug
    NGK Ruthenium HX 94279 FR6AHX-S Spark Plug
    Rating:
    100%
    Special Price $11.86 Regular Price $17.99
  33. Champion Spark Plug
    Champion Copper Plus 570 RE14MCC4 Spark Plug
    Special Price $2.53 Regular Price $3.99
  34. NGK Spark Plug
    NGK V-Power Racing 5820 R5671A-10 Spark Plug
    Special Price $4.93 Regular Price $6.99
  35. Champion Spark Plug
    Champion Copper Plus 318 RC12MC4 Spark Plug
    Special Price $2.38 Regular Price $2.99
  36. NGK Spark Plug
    NGK V-Power Racing 3354 R5670-8 Spark Plug
    Special Price $4.71 Regular Price $6.99
  37. NGK Iridium IX
    NGK Iridium IX 4469 LFR5AIX-11 Spark Plug
    Special Price $8.17 Regular Price $11.99
  38. NGK Laser Iridium
    NGK Laser Iridium 5368 IFR6B11 Spark Plug
    Special Price $13.98 Regular Price $19.99
  39. NGK Spark Plug
    NGK Laser Iridium 92217 DILKAR7B8 Spark Plug
    Special Price $19.06 Regular Price $25.99
  40. Champion Spark Plug
    6 pc Champion Iridium 9005 QC10WEP Spark Plugs
    Rating:
    100%
    Special Price $55.28 Regular Price $78.99
  41. NGK Laser Iridium
    NGK Laser Iridium 5648 IFR6Q-G Spark Plug
    Special Price $12.85 Regular Price $17.99
  42. NGK Spark Plug
    NGK Laser Platinum 94833 PLFER7A8EG Spark Plug
    Special Price $12.18 Regular Price $17.99
  43. NGK Laser Iridium
    NGK Laser Iridium 5599 ITR4A15 Spark Plug
    Rating:
    100%
    Special Price $9.22 Regular Price $12.99
  44. DENSO Spark Plug
    DENSO 3421 SK20HR11 Spark Plug
    Special Price $9.51 Regular Price $13.99
  45. NGK Laser Iridium
    NGK Laser Iridium 6544 IMR9D-9H Spark Plug
    Rating:
    100%
    Special Price $13.86 Regular Price $19.99
  46. NGK Laser Iridium
    6 pc NGK Laser Iridium 4212 ILFR6G-E Spark Plugs
    Rating:
    100%
    Special Price $74.20 Regular Price $105.99
  47. NGK Spark Plug
    NGK Ruthenium HX 92274 LKAR7AHX-S Spark Plug
    Special Price $11.82 Regular Price $16.99
  48. NGK Spark Plug
    NGK Laser Iridium 92315 SILZKR7E11 Spark Plug
    Special Price $13.24 Regular Price $18.99
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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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