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Your cart is empty.ROCK BLOCKER!!!! One of the very first things that was noticed after being around a few new GT350's was the rocks the side skirts collected under normal driving. We spent countless sleepless nights thinking of a solution for this MAJOR problem. After a Monday night of no sleep, we got it! We designed these foam inserts that simply tuck into the open area of the side skirt to keep this area clean of road debris. These have been tested to 225 MPH on a stationary dyno :-D. We would recommend removing them for track days and extended high speed driving. They have been road tested to 100+ MPH, on a closed course. Do not attempt! Whats included: (2) JLT Rock blockers. Peace of mind and ability to sleep at night knowing rocks are not in your side skirts.
Wendy
Reviewed in the United States on April 3, 2021
Fits like a glove but they should be longer as to cover the entire rocker behind front tire. They are 1” thick. They should be 4 or 5” thick.
jamey
Reviewed in the United States on January 23, 2020
Great product! Stops the rocks and gravel from being thrown down the side of the GT350. Perfect shape and install time was about 30 seconds.
Carey W.
Reviewed in the United States on September 10, 2019
Easy to install. Stay put during high pressure wash (no direct blast). Work well. Aesthtecially adequate.
Toretto23
Reviewed in the United States on December 26, 2019
The Best Period !! Protect your Shelby from accumulating rocks in the rocker panel. This is one of the first things I did to my 2017 Shelby and since then I also purchased a back up pair. Great Idea and easy to plug in !!
dan
Reviewed in the United States on December 23, 2019
Product works as described. Super easy to install/remove. Stays in place with track use and car washes.
R
Reviewed in the United States on November 17, 2019
Seriously the best (and easily the least expensive) “upgrade” you can buy for your GT350. No more gravel accumulating on the rockers or flying through to scratch up your doors. It’s basically a foam plug you stuff in the gap. They come in a pair. Installation, if you can call it that, is maybe ten seconds. Problem solved. Brilliant.
Bryan
Reviewed in the United States on November 14, 2019
Must have for anyone with a 350, get rid of those rocks! Fits very snug, power wash and still keeps in place. Some high speed runs in Mexico and they're still there.
Thomas K
Reviewed in the United States on August 31, 2017
Great product and a great fit. So far, they are doing exactly what they're designed for. Keeps extra rocks and debris from accumulating on the way to cruise-ins & shows. No one even notices them when they're in place! Thanks for a very useful part of our car show war chest!
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