Cusco Adjustable Rear Upper Control Arms 2015-2021 WRX/STI

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* High Strengthen steel pipe can handle maximum impact from racing compound tires. * Turn Buckle Camber Adjustable ( Upper side +/- 15 mm) * Hard rubber bushing eliminates alignmen t changes and provide precise steering response. * Direct replacement for OEM lower arm Bolt on installation: 1.0 hr. [does NOT include alignment time] * Additional negative camber can result better tire contact patches and cornering speed. * Tire and fender clearance can be adjusted precisely. * Rear Camber with Stock arm : -2.5 degree * Rear Camber with Cusco arm with - 15 mm : -7.5 degree ( Ride height - 35 mm from stock height / use stock lateral link / Results will vary by setting) Show more