Review of SuperSprings Vehicle Suspension - Rear Axle Suspension Enhancement - SS45FR Video

I reached out directly to Timbren for you, and they told me the correct fit for your 2021 GMC Sierra 1500 AT4 was indeed the Timbren Suspension Enhancement System #T28MR.

When installing a Suspension Enhancement System on your 2019 GMC Sierra 1500 The Timbren Suspension Enhancement System - Rear Axle #T28MR are confirmed to fit. The system has a 8,600 pound capacity that reduces vehicle sag, and increases stability.…

The SumoSprings Solo Custom Helper Springs item #SS65FR are designed to do exactly what you talked about. These springs have progressive load control that compress according to the weight of your cargo. This will eliminate the sag you get in your…

For your 2020 GMC Sierra 1500 Denali 4WD I recommend the Firestone Ride-Rite Air Helper Springs - Double Convoluted - Rear Axle #F2609 which is confirmed to fit all models of the 2020 Sierra including your Denali with the Adaptive Ride Control. Keep…

The Timbren Suspension Enhancement System part #T28MR and SumoSprings Solo Custom Helper Springs part #SS45FR are both great options for a 2021 GMC Sierra 1500 AT4. I recommend the SumoSprings as they don't typically ride as rough as the Timbrens…

Yes, the Timbren Suspension Enhancement System #T28MR will be the best option when it comes to cost-effectiveness. This will fit with your 2021 Chevrolet Silverado 1500 Z71 Trail Boss but you'll want to make sure these fit the gap properly. The…

The RoadActive Suspension (RAS) Custom Leaf Spring Enhancement Kit part #RAS3611-Y is what I recommend for a 2019 Ford F-150. The RAS Kit unlike the SumoSprings Solo Custom Helper Springs part #SSR-117-47 will engage right away so you don't have…

Yes, there is another option to add a brake controller to your Sierra. Since you have the factory tow package, I recommend the Curt Echo In-Line Wireless Brake Controller item #C79DR. The controller plugs in behind your 7-way with included…

I checked with Sumosprings and the #SS65FR and the dimensions are 5 inches tall by 4 inches in diameter without the spacer.

I checked with my contact over at SuperSprings and he tells me that the SumoSprings Solo Custom Helper Springs SSR-209-54 you mentioned- part #SS45MR -is not specifically designed for the new body style of the 2020 Chevy Silverado 1500 but will fit.…

For the 2019 model year, Chevy offered two different body styles for the 1500 Series Silverado, the Silverado 1500 (all new body style) and the Silverado 1500 Limited (old body style), which was mechanically and visually identical to the 2018 model.…

The Timbren Suspension Enhancement System part #T28MR will work on a lifted 2019 Chevrolet Silverado 1500 but you will need spacers to match the lift in order for them to engage properly. These are avavailbe as the Timbren Spacer part #A25723-90AH00…