High-performance Sprint Car torsion bars, manufactured with 4340 alloy steel, heat-treated, center-less ground, pre-stressed, and powder-coated. Unique to Sway-A-Way’s Circle Track torsion bars is its pre-stressing operation that eliminates virtually all settling and dramatically improves wheel travel. The result is a torsion bar that is head and shoulders above the competition. Due to our pre-stressing operation, all Sway-A-Way circle track torsion bars are directional.
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