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.

Complete, Engine-Matched Solution: Each kit bundles premium non-deactivation lifters, valley cover/block-off plugs, gaskets, and hardware engineered for your specific application—saving 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 tuning—unlocking more horsepower without system limitations, all backed by Melling’s proven quality

SEMA certified 49 state compliant, for off highway only use in California