1990 Peterbilt 357 Suspension Enhancement

Since the pin weight of your camper is 2.1k, I recommend going with the LoadLifter 5000 opposed to the 7500. While technically there is not reason you couldn't use the 7500 kit, it really is not necessary for a camper like yours. Generally the…

For sag from towing a trailer the best recommendation I can make is actually a weight distribution system. Suspension enhancement will help level your truck while towing. But the advantage to a weight distribution system is that it levels the vehicle…

Hey Doug! The Firestone Ride-Rite Air Helper Springs #F35FV are the right kit for your 2026 Ford F-350 FX4 dually. However, you will need to measure to be sure it fits. The distance from the top of your rear axle to the top of the jounce bump stop…

The differences between the Firestone Ride Rite #F2613 and the Red Label #F2709 for your 2023 GMC Sierra 3500 Crew Cab Long Bed is the air pressure and max weight capacity. The Ride-Rite #F2613 are rated for 5,000lbs and 100 PSI, where the Red Label…

It sounds like the purpose of getting the air helper spring would be to counteract the 1 inch compression you're getting in your rear suspension caused by the pin weight of your 5th wheel. If that's the case, I believe that the AirLift 5000…

Hey Steve, The AirLift airbags with internal jounce bumpers are not able to be added to a system without so you would need to get a whole new system. With that said the system with the internal jounce bumpers is going to create a much rougher ride…

Hi Duane, Air Springs are better for leveling loads and will typically give you a rougher unloaded ride quality so these might not be the best option for your setup depending on what your intended use is. Air springs are the best option when it comes…

Hello Barry, Since you already have a weight distribution (WD) hitch and are only experiencing a little rear sag, I recommend going with SumoSprings. I typically only suggest Timbrens for those who are towing heavy loads regularly, as they can create…

Hey Kim, thanks for reaching out. The Firestone Ride-Rite Air Bags with Easy Mount Compressor #F24XV do fit your 2020 Ram 2500 with rear coil springs, but the hang-up is the under-bed gooseneck hitch. On your truck, the air bag brackets and the…

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

If you are considering Timbrens like the #TDR1500DQ and the SumoSprings like the #SSR-307-47 for your 2022 Ram 1500 4x4, I recommend the SumoSprings #SSR-307-47. The SumoSprings will offer the same quality as the Timbrens in terms of suspension…

Hey Bob, congrats on a setting up a new camper! Out of all of those options you'll also need to consider daily driving comfort unless that camper is a permanent addition to your truck bed. Listed below are a brief breakdown of each and a…