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The Timbren Suspension Enhancement System for 1977 Dodge D300 rear adds a rubber secondary spring to support towing and hauling and to reduce suspension settling. This bolt-on kit installs in minutes with basic hand tools and requires no airlines or routing. Rated for 10000 lb capacity for severe service applications, it cushions road shocks, limits squatting and sagging, and improves handling when loaded.
Timbren 1977 Dodge D300 Rear Suspension Enhancement System
