HEMI MDS Delete Kits & MDS Repair

MMX / Modern Muscle Xtreme Gen3 HEMI MDS delete kits are built for owners who want Multi-Displacement System removed the right way — not just turned off in a tune. Whether you are preventing the dreaded HEMI tick, repairing failed MDS lifters, or building a performance cam package, these kits pair non-MDS hardware with the support parts shops actually use on 5.7L and 6.4L engines.

Choose application-specific kits for 2005–2008 5.7, 2009–2026 5.7 (RAM vs LX/LC/Jeep), and 6.4L / 392 car and truck platforms. Kits are assembled around proven Mopar / MMX components — non-MDS camshaft options, quality non-MDS (Hellcat-style) lifters where included, MDS block-off plugs, and supporting hardware as listed on each product. Need plugs only or a components-listed build? Shop MDS plugs and à-la-carte options below.

Important: A full mechanical MDS delete requires PCM calibration so the computer stops commanding MDS. 2015 and newer vehicles typically need a PCM unlock (not included with the kit). Always match year, engine (5.7 vs 6.4), and car vs truck before ordering — or call MMX for fitment.

Why delete HEMI MDS?

• Lifter / cam protection strategy — MDS lifter roller failures are a leading cause of HEMI tick and related cam damage when ignored.
• Full-time 8-cylinder operation — no 4-cylinder MDS transitions under light load.
• Performance foundation — ideal when you are already in the engine for a cam, oiling upgrades, or power-adder prep.
• Shop-tested combinations — MMX kits are organized by platform so you are not guessing cam, lifter, and plug fitment.

MDS disable vs full MDS delete

Tune-only MDS disable turns the feature off in the PCM but leaves stock MDS lifters and cam in the engine. A full MDS delete kit replaces the hardware path (non-MDS lifters, plugs, and typically a non-MDS cam) and still requires a tune so fuel/spark strategy matches the new setup. If you already have a tick, P0300 misfire, or metal in the oil, hardware replacement matters — turning MDS off alone will not heal a flat cam lobe.

What is in a typical MMX MDS delete kit?

Contents vary by SKU — open the product page for the exact list. Common kit elements include:

• Non-MDS camshaft (application-specific; some 6.4 kits include SRT cam options)
• Non-MDS lifters / Hellcat-style lifter sets (where specified)
• MDS solenoid delete plugs (block oil control passages correctly)
• Timing and gasket support items as listed per kit

Separate listings are available for MDS plugs only, billet aluminum plugs, and MDS lifter sets if you are building a custom package.

Fitment guide (quick)

• 2005–2008 5.7L — early MDS 5.7 LX / Jeep / RAM kits
• 2009–2026 5.7L RAM — truck-specific 5.7 kits
• 2009–2026 5.7L LX/LC/Jeep — car / SUV 5.7 kits
• 2011–2026 6.4L LX/LC/Jeep — including kits with 6.4 SRT cam options
• 2014–2026 6.4L RAM — truck 6.4 MDS delete kits

Still unsure? Have year, make, model, engine size, and auto vs manual ready and contact MMX tech before checkout.

Shop HEMI MDS delete kits below

Browse MMX MDS delete and MDS repair products for Challenger, Charger, 300, Magnum, Durango, Jeep, and RAM HEMI applications. Select your kit, confirm options, and build the bottom-end protection Gen3 owners talk about on the forums — with parts chosen for real installs, not guesswork.