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Timbren Suspension Enhancement System for rear tandem applications uses a rubber helper spring to absorb shocks and automatically adjust to uneven loads. Rated for 15,000 lbs., it is compatible with leaf and air suspensions on rear tandem axles. The bolt-on kit installs with basic tools and contains no airlines or fittings, helping to prevent sag and improve handling while towing or hauling.
Timbren Suspension Enhancement System
