VMP 10-Rib Full-FEAD Kit for '11-17 Gen3R Supercharged Coyote w/o AC - 20% OD For cars with ground front timing covers (Roush style FEAD) or NO AC. This is a full-FEAD kit which completely replace all FEAD components with new parts from VMP. These parts are engineered to perform at high power and boost levels. This version of the VMP 10-rib kit for 11-17 Coyotes with Gen3R superchargers and no AC, it includes our VMP-SUT022 AC bypass bracket. This bracket and tensioner combo creates another idler and allows you to run a shorter belt completely bypassing the AC compressor which is normally required in the belt system. Includes VMP-SUT002 heavy-duty tensioner. Supercharger pulleys sold seperately. To use this with AC you must purchase the AC pulley separately.