Similar to our SR040, these Control Arm Monoballs are 17mm wider for applications where you need greater range. Use these Monoballs on 997 GT3 or Cup cars, or on other setups requiring more adjustment. Whether for a dedicated race car, or for a suspension upgrade on your street GT3, these inner Control Arm Monoballs are the ultimate upgrade or replacement. CNC machined from aircraft quality aluminum, the housing contains the BEST aerospace monoball available. Stainless steel bushings, and Jet nuts complete the package to make these assemblies your only choice for upgrading or replacement. Seals are included for the ultimate upgrade. OEM outer control arms also available. For 986/987/996/997. Sold individually.