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Limited Lifetime Warranty; this just might be the last spark plug you'll ever buy. The patented DiamondFIRE technology produces a no foul spark plug that improves fuel economy up to 13%, increases power up to 12% and reduces emissions up to 58%. Replaces Champion RC12YC & RC14YC.
  • Limited Lifetime Warranty; this might be the last spark plug you'll ever buy
  • Improves fuel economy up to 13%
  • Increases power up to 12%r
  • Reduces engine emissions up to 58%
  • Virtually eliminates carbon deposits for longer engine life
  • Replaces Champion RC12YC & RC14YC


Dimensions and Weight:
Overall Length (in.) 1.1
Product Overview:
Item Weight (lbs.) .08 lbs.
Accessories or Attachments Accessories
Warranties & Coverage:
General Warranty Limited lifetime


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