Seventy - 1968 Chevy COPO cars (65 of which were upgraded by Yenko) were sold with upgraded suspension systems, a 140 - mph speedometer, upgraded engine cooling, an all business black cockpit, improved brakes, and M - 21 close ratio four - speed manual transmission. (bestride.com)
Furthermore, the vehicle rides on an upgraded suspension system: a set of H&R RSS Club Sport Coilovers were installed, improving both the cornering performance and removing excess body roll. (bmwblog.com)
The Mustang GT also offers a Performance package, which provides an upgraded suspension system, Brembo brakes, and a limited - slip differential in order to make it more track - capable, and it can be ordered with either a six - speed manual or a six - speed automatic transmission. (autobytel.com)