A new Firestone Industrial Products Company, LLC R4Tech air suspension system is available for 2011-2012 Ford F-450 4WD Long Bed trucks (part # W287600147).
R4Tech Air Suspension System
Firestone Industrial Products Company, LLC R4Tech air suspension system was featured on the PowerBlock TV show "Trucks!" Sept. 10-11, 2011 on Spike TV.
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