NGK Racing .5 Spark Plug Box of 4 (R6725-105)

NGK Racing .5 Spark Plug Box of 4 (R6725-105)

Marsoni

M251S

$133.00

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

NGK Racing .5 Spark Plug Box of 4 (R6725-105)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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Good fit. Helps keep my vials sealed and sanitary. Clean before and during each use to prevent issues. The large caps are a great fit on 10ml water vials and the small caps are a great fit on 3ml research vials. The price was good, the variety of size and color are nice. Overall no complaints to report.

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Reviewed in the United States on February 21, 2026

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Angela

Los Angeles, US

★★★★★ 5

💯

Súper buenas y se puede lavar

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Reviewed in the United States on March 9, 2026

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Ray Hernandez

Louisville, US

★★★★★ 4

Great for the price

They are very nice quality, but the 3ml are a little tight on the vial. This is not necessarily a bad thing, but something to note. The 10ml are a little lose on 10ml, but work great on 30ml hospira bac water

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Reviewed in the United States on February 2, 2026

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Elizabeth Allen

Whiting, US

★★★★★ 3

Some easy, some not

Some fit good, some are a little rough to get on

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Reviewed in the United States on February 4, 2026

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Jacqueline