Hellwig 64-67 GM A-Body Tubular 1-1/8in Rear Sway BarTubular 1 1 8 rear sway bar. Hellwig Sway Bars tighten up body roll so you benefit from better vehicle control, greatly improved traction for safer driving and faster cornering. This Part Fits: Year Make Model Submodel 1964 1967 Buick Skylark Base 1967 Chevrolet Chevelle 300 1967 Chevrolet Chevelle 300 Deluxe 1964 1967 Chevrolet Chevelle Base 1967 Chevrolet Chevelle Concours 1965 1967 Chevrolet Chevelle Deluxe 1964 1967 Chevrolet Chevelle SS 1964 1967