Level up with Firestone's most popular and comprehensive air spring line, Ride-Rite. Firestone Ride-Rite air helper springs help support your Chevrolet or GMC pickup truck's stability, ride quality, brake effectiveness, and safe load-carrying capacity.
Installed the on my '14 raptor because of rear sag with a Leer shell on & I tow a car trailer with JD 3046 quite often. It's winter, haven't towed anything, yet, but the rear sag is fixed, and them some. The right side bracket needed to be ground fairly substantially to clear the Fox shock. Don't think this is a product issue, just the shock had settled in it's rubber mounts a tad cocked. Ground until just cleared, all is well. The directions state to keep 10 psi at all times. Even with the bag brackets set at the widest available spacing only 10 psi results in an extremely harsh bottoming in the internal bump stop I believe is in them (the OEM bump stop is removed). This was cured on my truck with a min. 12 psi. This picked the rear up ~3" high then the front. Rated 4 cause of need to grind as well as 3" higher rear than front to prevent harsh bump stop. I never noticed the oem bump stop during regular highway travel, winter potholes. As well as they do not provide any T pluming to connect the bags into one line as recommended for towing application.
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