QA1 Chrysler 8-3/4in. & Ford 9in. Axle Housings 70-74 Mopar E-Body - Rear SuspensionConvert your classic Dodge Challenger and Plymouth Barracuda from leaf spring rear suspension to a QA1 coil over kit that uses a triangulated 4 link design. This is the best way to gain a more planted feel, make room for larger wheels and tires and correct the wheelbase of classic Mopars. The kit allows you to run a 3" bumper exit exhaust. This modern design instantly delivers a more modern driving experience on the street while giving you the