What happens when you combine the best of Jeep-And-Mopar?  JAM!  You get JAM Werks by Fields Auto Group.   Born from a desire to supply Jeep enthusiasts with premier custom modifications, Fields Chrysler Jeep Dodge Ram in Northfield, IL launched the JAM Werks division!

Jim Moyer (Executive Director), Kenny Ritsch (Service Manager), and Rick Ziolko (Lead Tech) head up the JAM Werks team. With many successful JAM Werks builds under their belts they are here to help build your dream vehicle! Learn more by following JAM Werk's  Facebook Page.  

Below you will find some of our current and past charity builds, some of which have been displayed at the Chicago Auto Show!

Contact Jim Moyer at jmoyer@fieldsauto.com for info on custom builds for Chrysler, Jeep, Dodge, RAM, and FIAT.

Autism Speaks Build

Our latest JAM Werks build is a 2016 Jeep Wrangler Sport Unlimited 4x4. It was built in conjunction with Autism Speaks. The vehicle will be raffled off on October 15, 2016 at the Chip In for Autism Event. Only 1,000 raffle tickets are available for the Wrangler!

For more information please visit www.chipinforautism.org.
  • 2'' Lift
  • Bead Locker Wheels
  • Custom Powder Coated Grill Insert
  • Custom Blue Leather Interior
  • Custom Blue Painted Interior Trim Pieces
  • Custom Autism Speaks Graphics
  • Shorty Antenna
Brotherhood of the Fallen Build

  • Rubicon Vented Hood
  • Front and Rear Rubicon Bumpers
  • 4'' Lift Kit
  • LED Headlights, Foglights, Spot Lights and Flood Lights
  • Bead Locker Wheels
  • Warn Winch
  • Mopar Cold Air Intake
  • Black Fuel Door
  • Taillight Guards
  • Jeep Front and Rear Diff Covers
  • Rock Rails
  • Sill Guards
  • Matte Black Grill
  • High Top Wheel Flares
  • Front and Rear Seat Covers
  • Slush Mats
  • Mopar Ambient Light Package
  • Under Seat Storage
  • Big Brake Kit
  • Quarter Panel Body Armor
  • Performance Cat-Back Exhaust
The Chicago Police
Memorial Foundation

Jam Werks, a division of Fields Auto Group, has donated their inaugural build to the Chicago Police Memorial Foundation. This Jeep Wrangler will pay homage to the men and women of the Chicago Police Department and has been customized with the best aftermarket parts familiar to enthusiasts.  The Jeep has special graphics depicting a Chicago police car, performance upgrades to suspension, custom leather embroidered seats, a nightstick shifter and an amazing surprise interior.

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  • Monday 09:00AM - 09:00PM
  • Tuesday 09:00AM - 09:00PM
  • Wednesday 09:00AM - 09:00PM
  • Thursday 09:00AM - 09:00PM
  • Friday 09:00AM - 08:00PM
  • Saturday 09:00AM - 06:00PM
  • Sunday Closed
  1. Fields Chrysler Jeep Dodge Ram

    2800 Patriot Blvd.
    Glenview, IL 60026-8041

    • New Sales: (847) 999-4955
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