Exception: Installation of these upper control arms requires installation of the recommended Cognito Limit Strap Kit specified for each application, which is designed to limit droop travel and protect other suspension components, including control arms, cv axle, shocks and shock hoops) from damage. Exception: 2007 was a chassis transition year, where only early (“Classic”) 2007 models are compatible with these upper control arms. Refer to body style image comparison to determine compatibility. Exception: Vehicles equipped with lever-style Autoride cannot utilize aftermarket upper control arms without modification. Exception: 2007 models were built on 2 different platforms, was a split year, where only vehicles labeled as a 2007 “Classic” model will accept these part numbers.