The Timbren # TFRF53A and SumoSprings # SSR-187-40-1 are very similar, which often makes it difficult to decide which is best. Both work independently to help compensate for off-center loads and reduce body roll when swerving and turning corners. They also help to add support reducing sag and minimizing sway. Both have progressive load control so they become stiffer the more they are compressed to help with heavier loads.
For your 2021 Ace 32.3 Motorhome I would recommend the SumoSprings... view full answer...
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