Replacing the lower pulley on your 1999-04 SVT Lightning is an easy way to increase boost. Some of the most popular lower crank pulleys are the 4lb and the 6lb lower pulleys. The extra PSI will give your F-150 performance truck a real boost in performance. Don’t forget to pick up a new belt below.
Replacing the supercharger pulley is another way to increase the boost in your SVT Lightning. There are several different option when it comes to supercharger pulleys. One of the most popular supercharger pulleys is the 2.76” pulley. Combine this with a pair of 100mm idler pulleys to eliminate belt slip and you will have one wicked F-150 Lightning!