5.7 MDS solenoid problems

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Own a HEMI? Thinking about modifying or upgrading your engine? There is one upgrade that should always come first, the MDS delete. MDS on a Hemi engine stands for Multi Displacement System. A key system in Chrysler/RAM/Jeep Hemi engines that controls cylinder deactivation for better fuel economy. It's a simple system, oil pressure passes through a hole in the side of the lifter and decouples the inner plunger from the lifter body. This “deactivates” the lifter. It provides up to a 20% increase i

We get asked this all the time “What do the 5.7L HEMI Pacemaker headers actually sound like?” Well here you go. 🔥 We’ve just finished fitting a full Pacemaker Headers exhaust system to a very tidy 5.7L Grand Cherokee from headers to tips The owner wanted the complete package not just the noise and mint exhaust note. They also opted for our stage one MDS delete package to back it up. That deep HEMI rumble at idle, crisp note on throttle, and that proper V8 bark when you lean into it. This video

What Is Hemi MDS?

5.7L HEMI MDS Lifter Camshaft Kit for 2009-2016 Dodge Ram 2500 3500 V8

Mds delete tuning