Timbren Suspension Enhancement System for 2004 Freightliner FC70 rear suspension provides a rubber helper spring compatible with Chalmers walking-beam, leaf-spring and air-ride suspensions. Rated for 16,000 lbs., the bolt-on kit absorbs road shocks and adapts to changing loads without airlines or fittings. It reduces sag and improves stability and handling for heavy hauling and commercial use.
Timbren 2004 Freightliner FC70 Rear Suspension Enhancement System