6.4 Hemi MDS Lifters Camshaft Kit VVT Sprocket Head Gasket Bolts Set Fit For Dodge Challenger Charger Chrysler Jeep Grand Cherokee 6.4L 2011-2022 53021726AD 53022317AC 5038419AB HS26568PT

Professional Installation Recommended

This kit is intended for major internal engine, cylinder head, timing-system, and VVT service. Installation should be completed by a qualified machinist, engine builder, or automotive technician familiar with 6.4L HEMI MDS and VVT engines.

Recommended Inspection Procedures

• Inspect all camshaft lobes and journals for scoring, pitting, or abnormal wear.
• Inspect the camshaft bearings before installing the replacement camshaft.
• Check rocker arms, rocker shafts, pushrods, and related valvetrain components.
• Inspect the MDS solenoids and associated oil-control passages.
• Inspect the VVT actuator, oil passages, and related control components.
• Check the cylinder heads for cracks, warpage, and damaged sealing surfaces.
• Inspect timing guides, sprockets, tensioners, and related components during installation.
• Clean all engine oil passages and internal surfaces thoroughly.
• Remove all metallic debris caused by the original camshaft or lifter failure.
• Verify adequate engine oil pressure before returning the vehicle to service.
• Prime the lubrication system before initial startup.
• Follow the factory timing alignment, cylinder head torque sequence, and tightening procedures.
• Use new engine oil and a new oil filter after assembly.

Fitment Notice

This kit is intended for select 6.4L 392 HEMI engines equipped with factory MDS and VVT. It is not intended for non-MDS engines or MDS-delete conversions.

The supplied product title lists a broad 2011-2022 range. However, the detailed application data confirms the following fitment:

• 2011-2019 Dodge Challenger
• 2012-2019 Dodge Charger
• 2012-2014 Chrysler 300
• 2012-2017 Jeep Grand Cherokee

Vehicle model and year alone do not guarantee compatibility. Confirm the VIN, production date, engine configuration, camshaft design, front and rear lifter design, timing components, VVT sprocket, gasket configuration, and reference part numbers before purchasing.

Warranty Information

The stated lifetime warranty applies when the kit is installed by a certified machinist and remains subject to the manufacturer’s complete warranty requirements. Proof of professional installation may be required.

Warranty coverage may not apply to damage caused by improper installation, inadequate lubrication, contaminated oil passages, insufficient oil pressure, overheating, incorrect valve timing, unresolved valvetrain damage, or failure to correct the original cause of engine failure.