DEI Vapor Block Sleeve 3/8in x 36in

Marsoni

M251S

$16.43

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

DEI Vapor Block Sleeve 3/8in x 36inVapor Block(TM) solves the problem of fuel and other fluids boiling from extreme heat and causing a vapor lock situation. Prevent rough idling and difficult starting caused by vapor lock with DEI Vapor Block(TM). Vapor Block(TM) fuel line sleeve was specifically developed to prevent vapor lock in fuel systems by greatly reducing heat in the line to keep fuel cooler and below boiling. Vapor Block(TM) installs easily with a split design and adhesive

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Your DEI Vapor Block Sleeve 3/8in x 36in orders ship within 1-2 business days.

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Standard: 3-7 business days
Fast: 2-3 business days
Express: 1-2 business days

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
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These are the BEST ever briefs I’ve purchased. I love these! Quality, fit, price and comfort is far beyond the other name brands like Jockey, Hanes, Fruit of the Loom etc to name a few. Those only last a few months (quality) before ripping or elasticity fails or groin area wears out from stretch. But NOT the Wirarpa men’s cotton stretch underwear support briefs. It is made with our anatomy in mind with perfect support. I only buy these now and will never buy another brand.

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Reviewed in the United States on May 12, 2026