Traction Bar,Coil Spring for 1968-1977 GM Intermediates; Chevelle, GTO, Cutlass, 442, Skylark, Gran Sport Etc., Competition Engineering's Competition Coil Spring Traction Bars are designed to solve the problems of the factory 4 link suspension systems found in several GM Intermediate models. Constructed from 2" x 2" x .120" wall steel tubing and computer stamped mandrel bent bracketry to allow them to withstand the power levels found in racing. Engineered specificaly for each application, Threaded link design provided infinite adjustability, Heavy wall steel tube eliminates flex found in other bars. Includes all hardware and brackets.