SHOP
Adapters Transmission to Transfer Case Engine to Transmission
Engine Mounts Cooling
Transmissions Transfer Cases
  • Rebuild Service +
  • Engine Parts +
  • Electronics +
  • Fuel Delivery Systems +

    • Powertrain Packages Apparel Clutch Parts & Flywheels Pilot Bushings Exhaust Headers Rear Mount Units Air Intake Components
    RESEARCH
    Engines
    Transmissions
    Transfer Cases
    Conversions Rules 24 to 12 Volt Conversions Jeep Steering Knuckle Repair Electronics & Wiring
    SEARCH ABOUT

    Hemi Universal MMX Series Engine Mounts

    for

    Jeeps and Other Vehicles

    These engine mount kits are for Gen II/III Hemi V8 engines into various Jeep models and custom vehicles. The MMX Series offers maximum strength, adjustability, and modularity.

    Hemi Mounts for Narrow Frame Jeeps

    MMX-WH3 Hemi Mounts
    MMX-NH2;MMX-NH3

    Kit Contents:

    *Early "Low Hood" Jeeps generally lack the clearance required for Gen III Hemi V8s. Use is not recommended before 1972 due to limited space and header fitment challenges.

    Hemi Mounts for Wide Frame Jeeps

    MMX-WH3 Wide Frame Hemi Mounts
    MMX-WH2;MMX-WH3

    Kit Contents:

    Features

    Ease of Installation

    Weld-in style with comprehensive instructions for proper placement.

    Strength

    3/16" laser-cut, CNC-formed steel plates. CAD-designed and real-world tested for performance.

    Vibration Isolation

    Urethane bushings and 5/8" through-bolts provide stability with comfort. Spare bushings available.

    Compactness

    Designed for clearance around steering, pillow blocks, and headers.

    Adjustability

    Highly adjustable in all directions. Perfect for custom placements within compatible frames.

    Finish

    All components zinc-coated except weld-on frame brackets. Frame-side brackets should be coated post-weld to your style.

    Applications & Compatibility

    Engines

    Compatible with Mopar Gen II & III Hemi V8s including: 5.7L, 6.1L, 6.2L (Hellcat), and 6.4L (392).

    These mounts provide a strong foundation for your Hemi swap, supported by available aftermarket transmission adapters, accessories, and exhaust solutions.

    Related Products

    MM-B Bushing Kit

    Kit MM-B, isolators, Novak MM & MMX engine mounts, upper and lower replacement bushings, includes hardware

    Spare upper & lower urethane bushings. Compatible with all Novak MM and MMX mounts since the 1970s.

    MM-B

    Installation Requirements

    Old Mount Removal

    Factory mounts must be cut or unbolted. Clean frame rails thoroughly for proper weld fitment.

    Driveshafts

    Driveshaft modifications are common. Rear shaft often shortens, front may lengthen. Prioritize proper engine placement over reusing factory shafts.

    Driveshafts can be modified or fabricated affordably by driveline or agricultural shops.

    For lifted or high articulation Jeeps, a double Cardan (CV-style) shaft may be needed in the rear.

    Axles

    Factory axles are usually sufficient. Axle upgrades are optional based on power and usage.