Hotchkis 71-72 Buick/Chev/Pontiac/Olds TVS System w/ Extreme Sway Bars, 71-72 GM A-Body Small BlockHotchkis Sport Suspension 89008 Total Vehicle System w Extreme Sway Bars 71 72 GM A Body Small Block. Whether you cruise a slammed SS 396 Chevelle or a restored GTO anyone who drives a classic Chevy knows that handling isn't one of the car's strong points. Now you can make your classic Chevrolet handle like a late model muscle car. The Hotchkis TVS is an all inclusive kit that has been designed and tested as a system. No need to mix and match