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Chevrolet Small Block V8 Engine Mounts
XJ Cherokee & MJ Commanche Jeeps

Building the perfect engine mount for the unibody XJ & MJ Jeeps was no small engineering feat. After several renditions and many installations, these mounts are perfected and ready for the Jeeping world.

Kit MMXJ1, engine mounts, GM Gen I-II engines into XJ Cherokees & MJ Commanches
Part #: MMXJ1
Weight: 18.14
Price: $218.00

The formed frame brackets hug the Jeep unibody frame, creating a plate steel overlay that will add rigidity to this most important part of the Jeep frame. Generous welds, smart geometry and a tested design will attest to their strength.

We have predetermined engine placement for the installer. There is a very fine window in which the Chevrolet Generation I-II Small Block V8 can properly fit into an XJ / MJ Jeep, and we've done this design legwork already.

The mounts keep themselves out of the way of the steering shaft, allowing the installer to keep the entire Jeep steering system intact and undisturbed. They will also clear the exhaust headers we recommend, our CC158 series blockhuggers. Clearance from all other retained factory components is also excellent.

Driver's side Cherokee engine mount

Ease of Installation
These mounts are a purely bolt-in design. Once the old mounts are removed and the engine bay is cleared and prepped, the #MMXJ1 mounts can be installed rapidly. All fastening hardware is provided. The installer will need to have a 7/16-14 tap to thread a blank body insert.

Vibration Isolation
Each mount kit comes with our high-grade urethane isolators that are gauged well for that ideal balance of isolation and firmness. The large, graded 5/8” bolts and all associated hardware are included. Additionally, Novak will always be here to inexpensively provide replacement urethane bushings, if needed - years down the road.


Corrosion Resistance
Our #MMXJ mounts are black zinc coated for resistance against corrosion. If you have a certain theme to your installation, you may enamel, powercoat or otherwise finish the bracketry to your own style.

These Mounts are applicable to the following Jeeps & engines:

Jeeps Engines

If you're seeking engine mounts for the GM Generation III Small Block V8's, see them here.


Cherokee engine mount, passenger side