PACK OF 5 - Amethyst Crystal Keychain

Marsoni

M251S

$10.95

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

PACK OF 5 - Amethyst Crystal KeychainAmethyst Crystal Keychain Origin: Brazil Pieces measure approximately 1" 1. 5" (stone) plus an additional 2. 5" 3" for the chain and key ring (AVERAGE SIZE) The picture is an example ONLY. This listing is for a 100% natural product. Please allow for variation in size, shape, color, and formation. Randomly selected gemstones, cherry picking requests can not be fulfilled. CRYSTAL RIVER GEMS WHOLESALE BULK **Fast domestic and international shipping**

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Didn't really believe the hype. Did a little research and watched Project Farm and decided to try. Im not a snake oil guy....but I will say my 2013 common rail TDI is quieter and I get a tad more fuel mileage. Does it pay for itself? Well, it does get better mpg, but I feel the reduction in noise most likely relates to less wear and tear and thats good enough for me. Im only using 1oz per fill up (about 14 gallons) so it lasts a very long time. I get 40mpg and im not light footed.

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Reviewed in the United States on April 2, 2026

Verified Purchase

James Jay

Los Angeles, US

★★★★★ 5

It's a spark plug

What i needwd

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Reviewed in the United States on May 27, 2026

Verified Purchase

Birmingham, US