Dont let slipping eccentrics ruin your track day! The stock eccentric bolts provided by Porsche tend to slip under high cornering loads, causing unwanted changes to the rear alignment. The SPL Eccentric Lockout (EL) kit utilizes 6061-T6 aluminum lockout plates and class 10.9 metric hardware to eliminate the stock eccentric bolts to lock down the rear alignment. This kit includes lockout plates and hardware to replace the camber and toe arm eccentrics. You will need adjustable camber and toe arms to retain the ability to adjust the rear alignment. Sold as a complete kit for one car. Made in the USA.