Fox 2.5 Factory Series 2.5in. Bump Stop 2.5in FRS Stem Mount 3.8in

Fox 2.5 Factory Series 2.5in. Bump Stop 2.5in FRS Stem Mount 3.8in

Marsoni

M251S

$262.48

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

Fox 2.5 Factory Series 2.5in. Bump Stop 2.5in FRS Stem Mount 3.8inSKU: 981 25 041 UPC: 711745593367 Fox 2. 5 Factory Series 2. 5in. Bump Stop 2. 5in FRS Stem Mount 3. 8in for 2007 2018 Jeep Wrangler JK This Fox Factory Series bump stop mounts directly to 2. 5 inch Fox coilovers on 2007 2018 Jeep Wrangler JK models. The 2. 5 inch FRS stem mount and 3. 8 inch height provide progressive compression to prevent bottoming out during aggressive off road use. It maintains suspension geometry and delivers consistent damping

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Definitely better than the old plugs that probably had 80k miles on them. The one star off is because I had a misfire after installing. Not sure if I damaged the plug or what, but a reinstall didn't fix the misfire. In my genius, I rushed to try to gap it and ended up breaking the iridium tip. Put the old plug into cylinder 3 (where the misfire was) and it was fine. Gonna have to get a new single tomorrow at my local shop, but a bit frustrating to get a misfire after install.

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Reviewed in the United States on April 27, 2026

Verified Purchase

Britincali

Natrona Heights, US

★★★★★ 5

Upgrade from OEM

After seeing a quite ludicrous $403 quote to change 4 spark plugs in a Mazda3 I decided to show my son how easy it is. These were an upgrade from OEM parts. They were gapped perfectly for the car. They took 20mins to fit and work fine.

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Reviewed in the United States on February 11, 2026