New Sonnax Smart Shell for the 4l60e family of automatic transmissions. Essential element of upgrade builds. Installation kit included see pictures. The item "77749-02K 4L60E SmartShell Heavy Duty Reaction Shell Kit SONNAX Bring it" is in sale since Thursday, June 1, 2017. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Transmission & Drivetrain\Automatic Transmission & Parts\Automatic Transmission Parts".The seller is "transmissionjobber" and is located in El Paso, Texas. This item can be shipped worldwide.