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NGK Racing Spark Plug Box of 4 (R5671A-9)
NGK Racing Spark Plug Box of 4 (R5671A-9)
NGK Racing Spark Plug Box of 4 (R5671A-9)
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NGK Racing Spark Plug Box of 4 (R5671A-9)

Marsoni M251S
Sale price$21.76
Pay 4 payments of $5.44 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
NGK Racing Spark Plug Box of 4 (R5671A-9)NGK Racing spark plugs are designed with extreme use in mind and meant to withstand the most grueling racing conditions. NGK Spark Plugs have been powering racing champions and can be found in every racing venue throughout the world. The center electrode of the NGK Racing spark plugs has special configurations and designs to ensure durability and ignitability. NGK Racing plugs bring ultra high performance in a variety of heat ranges. Special
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 771 reviews
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Product Reviews
R
Verified Purchase
R J
Port Orchard, US
★★★★★ 4
2015 Civic
Size fits properly on a 2015 Honda Civic SI sedan. Price could be a little cheaper for a non-OEM part.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 21, 2026
J
Verified Purchase
Jean Therasse
Los Angeles, US
★★★★★ 5
Excellent fit and great quality”
This filter fit perfectly and was very easy to install. The quality feels solid, and it made an immediate difference in air flow. It’s a reliable replacement at a much better price than the dealer. I’ll definitely be buying this brand again for future changes.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 17, 2025
R
Verified Purchase
Robert Weiner
West Palm Beach, US
★★★★★ 5
Super deal
This was a great replacement and much cheaper than most.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 16, 2026
G
Verified Purchase
Geff Chu
Port Orchard, US
★★★★★ 5
Nice replacement filter
Fits perfectly
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2026
W
Verified Purchase
William
San Leandro, US
★★★★★ 5
Fit
Size: 8.8" x 9.3" x 1.1"
Product looks and works well
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 7, 2026

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