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Message: [QUOTE="Betarocker, post: 1409803, member: 477"] The shackle is part of the spring system. Without it, the spring would not be able to move. It isn't part of the traction bar system. "A shackle is an integral component of the suspension system that attaches between the leaf spring and the vehicle frame. It allows for the leaf spring to work through length changes during suspension articulation. The leaf packs, or leaf springs, position and center the axle under the vehicle. They also support the vehicle's weight, since these are a primary component of the suspension system. As a leaf spring flexes up or down, its length from main eye to shackle eye changes. Since one end is mounted solidly (the main eye), and cannot move, the length changes happen at the shackle end of the leaf pack." [/QUOTE]

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