


COMP Cams Valve Seal 3/8in PTFE W/.500in
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
COMP Cams Valve Seal 3/8in PTFE W/.500inFits: 3 8" Valve Stems . 500" Guides (. 600" Seal Diameter)Valves Seals keep unwanted oil from entering the combustion chamber through clearance in the valve guidesSmaller diameter than COMP Umbrella Seals to allow use with double springs Catalog User 1
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- Express: 1-2 business days
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Exchange/Return Notes
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★★★★★ 5
Looks good and fits
It looks good and fits perfectly; other than that, I have no idea how to tell if it's better or worse than anything else.
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Reviewed in the United States on April 29, 2026
★★★★★ 5
Happy with purchase
Works as well at the fraction of the price. Very happy with the purchase. Very easy to install
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Reviewed in the United States on December 11, 2025
★★★★★ 5
Great OEM replacement at hlaf the cost
Looks exactly like the OEM filter a quality product. it is the same size fit and performance. Filter replacement is fast 10 min tops, it's crazy how much a dealer charges to replace it.
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Reviewed in the United States on April 15, 2025
★★★★★ 5
As good as Honda OEM
Perfect fit. Lasts as long as OEM for 25% of the price.
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Reviewed in the United States on December 27, 2025
★★★★★ 5
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