Holley Range Gen 111 Hemi

With Holley Range, No more shuddering as your engine cycles between running on half or all cylinders
Improved power at light throttle with all cylinders firing which can actually result in improved fuel economy depending on your driving habits
Dodge's troublesome MDS valve lifters will no longer be tasked with activating and deactivating constantly, saving you money on costly future repairs
Simply plug the module into your OBD-II port and it instantly disables the MDS system.
Safe and reversible.