VMP 10-Rib Full-FEAD Kit for '11+ Odin Supercharged Coyote w/oAC - 20% OD. For cars with or without ground front timing covers and NO AC. To use this with AC you must purchase the AC pulley separately: VMP '11-17 Mustang & F150 AC Clutch Pulley 10-Rib with Griptec PN: VMP-AC-M11-10 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. Includes the new VMP Atlas bracket. This version of the VMP 10-rib kit is for '11+ Coyotes with the Odin supercharger 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 separately. Odin supercharges must use the included hub spacer and longer bolts. This kit also works with front covers that have already been ground. Uses VMP 10-rib pulleys