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Engines and Components› Cylinder Heads and Components
Melling
Engine Cylinder Deactivation Delete Kit
SKU: M00L MDK100
Advanced — 4+ hours
Overview
This kit is Made in USA and features a hydraulic roller computer-compatible camshaft, high-impact plastic lifter guides, bolt-on nylon engine plugs, and hydraulic roller lifters designed for non-MDS Gen 3 HEMI blocks. It also includes intake and exhaust push rods.
Note that the vehicle will not be CARB compliant after the Engine Control Module/Power Train Control Module is reprogrammed. The kit includes one camshaft, four non-active fuel management lifter guides, eight intake push rods, eight exhaust push rods, sixteen non-active fuel management hydraulic roller lifters, and four non-MDS engine plugs.
Show original supplier description
Part #: MDK100
Melling offers an Engine Cylinder Deactivation Kit for converting Active Fuel Management engines to a Non-Active Fuel Management engines. The Melling Deactivation Kit includes all components need to complete the changeover. Vehicle Will Not Be CARB Compliant After The Vehicles Engine Control Module/Power Train Control Module Is Reprogramed. All Melling Engine Cylinder Deactivation engine components are developed, engineered, tested and manufactured with the highest standards of quality and materials.
Features:
- Complete, Engine-Matched Solution: Each kit bundles premium non-deactivation lifters, valley cover/block-off plugs, gaskets, and hardware engineered for your specific applicationsaving time and ensuring everything fits right the first time
- Upgrades Reliability for the Long Haul: Replaces failure prone deactivation lifters with Melling's high strength conventional lifters, reducing risk of collapse, misfire, or the notorious lifter tick," and extending valvetrain service life
- Restores Full Time Power & Sound: Eliminates cylinder shut off logic so all cylinders stay active under every condition, delivering smoother throttle response, a consistent exhaust note, and the full performance your V8 was built to deliver
- Performance Ready Platform: Provides the solid valvetrain foundation required for aftermarket camshafts, higher spring pressures, and tuningunlocking more horsepower without system limitations, all backed by Melling's proven quality
- Vehicle Will Not Be CARB Compliant After The Vehicles Engine Control Module/Power Train Control Module Is Reprogramed
- Intake and Exhaust Push Rods Included
HEMI MDS Delete Camshaft Kit For Active Fuel Management Engines
Vehicle Symptoms
- Engine misfire at low RPM or idle
- Excessive oil consumption or burning smell
- Check engine light with misfire or cylinder deactivation codes
- Rough idle or shaking after cold start
- Loss of power or hesitation when accelerating
Diagnostic Codes
- P0300 – Random or multiple cylinder misfire Det
- P0301 – Cylinder 1 misfire Det
- P0302 – Cylinder 2 misfire Det
- P0303 – Cylinder 3 misfire Det
- P0304 – Cylinder 4 misfire Det
- P0305 – Cylinder 5 misfire Det
- P0306 – Cylinder 6 misfire Det
- P0307 – Cylinder 7 misfire Det
- P0308 – Cylinder 8 misfire Det
- P0340 – Cam Pos Snsr A Ckt (B1 or Single Snsr)
- P0341 – Cam Pos Snsr A Ckt Range/Perf
- P0342 – Cam Pos Snsr A Ckt Low In
- P0343 – Cam Pos Snsr A Ckt High In
- P0344 – Cam Pos Snsr A Ckt Intermittent
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Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | Melling |
| Part Number | M00L MDK100 |
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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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