Supertech Honda K20/K24 Inconel Exhaust Valve - Set of 8

Supertech Honda K20/K24 Inconel Exhaust Valve - Set of 8

Marsoni

M251S

$123.66

Get it in 3 business days with 1 day shipping. Friday, May 29

Supertech Honda K20/K24 Inconel Exhaust Valve - Set of 8Supertech Honda K20 K24 Inconel Exhaust Valve Set of 8

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Smooth starting came after I fitted these Bosch 9614 double iridium plugs into my 2014 Honda Accord Sport, along with slightly better idling behavior. Longevity might come from those fine iridium tips; installing them felt straightforward enough. Yet here's the catch - the 9614 doesn't match what the factory actually specifies for the 2.4L engine in that year’s Accord. Most often, it's the 9694 or some other OEM-recommended plug you’d want instead

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on December 30, 2025

Verified Purchase

Akram M.

Charlottesville, US

★★★★★ 5

Great plug

Not sure about gas mileage, but these definitely improved the performance of my little 1.8 L Honda Civic, not sure if it’s because the old Plex were just old and weak or just because these are that much better. Acceleration is much better and engine or idle is much smoother

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on September 28, 2025