We did this upgrade several years ago, this is how Montana's should be built to start with. I could not believe the initial wear on the shackles and what they call bushings, we had less than 10,000 miles and were very close to shackle failure.
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Bob and Nancy Kassl Fall Creek, Wisconsin
2015 Montana 3440RL Legacy Edition, G614's, Pressure Pro TPMS, Dish Tailgaters
2016 GMC Sierra Denali 3500 CC SRW, Iridium Metallic, Duramax Allison Transmission
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