DENSO VKA20 Iridium Tough Spark Plug

Marsoni

M251S

$85.99

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

DENSO VKA20 Iridium Tough Spark PlugUsing the same patented 360 laser welding process as the Iridium Power spark plug, DENSO designed the long life Iridium Tough plug which is fast becoming the standard for todays high tech engines. Designed for durability under the most extreme conditions, DENSOs patented Iridium alloy is six times harder and eight times stronger than conventional Platinum making it possible to shrink the center electrode to 0. 7mm, dramatically improving ignitability

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I highly recommend! These are so comfortable! Right out of the box, they can be worn all day. The velcro-adjustable straps are great for making for a perfect fit. The aren't clunky to wear, even though they appear to be. They're super cute, in my opinion. The sock liner is textile, so feet feel good all day, not slimy, like leather and suede can sometimes make feet feel if socks aren't worn.

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Reviewed in the United States on March 17, 2026