AFCO Racing Products is proud to offer a bolt-in coilover shock kit for drag racing. This kit allows for bolt-in, no modification installation on most popular GM applications. Some of the features include: Popular "BNC" valving for bounce control, easy ride height adjustment, quick corner weight turning and pre-load changes to straighten out bad launches, and front end weight reduction. Kit comes complete with (2)shocks, (2) springs and (2) adjuster nuts.