Dayco Belt for 5.7L / 6.4L Hemi with 15% Lower Intake Manifolds gear ratios or settings which

gear ratios or settings which accommodate other upgrades

If you currently have MDS (Cylinder Shut Down) and are switching to these non-mds lifters in order to remove the OE MDS-Lifters which cannot support the larger camshafts and will collapse under the higher loads you will need to turn off the MDS operation in your calibration

more power

or with upgraded feed line directly off pump module

Since you are not sacrificing performance with either choice

Dayco Belt for 5.7L / 6.4L Hemi with 15% Lower Intake Manifolds gear ratios or settings whichA replacement belt for vehicles with ELECTRIC POWER STEERING with a 5. 7 6. 4 Hemi & ATI 15 Percent Lower