21T - Front Sprocket - Harley

Marsoni

M251S

$49.95

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

21T - Front Sprocket - HarleySUPERSPROX SPROCKETS Supersprox have been supplying the highest quality sprockets since 1959 and have grown to be one of the largest sprocket manufacturers in the world. Founder Roger Maughfling, who was extremely passionate for motorcycles, began producing sprockets as supply was lacking for the makes and models he needed. Over the years Supersprox has been set as the industry standard. FEATURES C 45 high quality steel Long life, anti corrosion

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Exactly as described at a decent price. I've found over my decades of doing my own tune ups, the one thing you can't skimp on when tuning up your vehicle, plugs and its shows if you do. Out of the box, all 4 were gapped correctly. Ease of installation depends on your vehicle and ones mechanical ability with PATIENCE. 100% compatible with my vehicle, be sure to match you numbers. Overall 5 stars for performance and price.

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Reviewed in the United States on May 14, 2026

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APTYP

Carnegie, US

★★★★★ 5

💯% Authentic NGK Made in Japan.

Got these for my 2016 Subaru Crosstrek. You can't go wrong with NGK, these are 💯% AUTHENTIC, and made in Japan, unlike other NGK plugs that may be sold by other sellers which could be made in Thailand. The Subaru Crosstrek is running like a brand new vehicle after I put these puppies in it.

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Reviewed in the United States on December 23, 2025

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Britton Home Improvement

Chelsea, US

★★★★★ 5

buy these!!

these are legit original NGK, superior plugs, will buy again

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Reviewed in the United States on May 4, 2026

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Anonymous User