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Inchworm Gear Products from Low Range

 

Welcome to Inchworm Gear Products from Low Range Off-Road.

For close to 2 decades Inchworm gear has been a market leader in the Toyota Transfercase and Drivetrain Adapters to help you go slow on the trail. In late 2013, Jim Christainsen, the creator and owner of Inchworm Gear merged forces with Low Range Off-Road to continue to build the brand and product line.

Another step in making Low Range Off-Road your One Stop Toyota Shop!

Look to us to make your Toyota Tacoma, FJ Cruiser, 4Runner and Pickup go slow on the trail with Single and Dual Transfer Cases, Dual Transfer Case Adapters, 2WD to 4WD Conversions, Transmission Adapters and more.


  1. Inchworm Gear Tacoma PreRunner to Gear Driven Tcase Adapter Kit (IWG-PAK)

    Inchworm Gear Tacoma/4Runner 2wd PreRunner to Gear Driven Tcase Adapter Kit (IWG-PAK)

    Parts starting at: $699.00

    This adapter allows 2wd to 4wd conversion of any rear wheel drive Toyota & Lexus automatic 4-speed transmission. Most commonly used on Tacoma PreRunners, (hence the name) this adapter fits any '85 or newer rear wheel drive Toyota or Lexus vehicle with an automatic 4-speed transmission. This adapter replaces the tail housing on these automatics and allows single or double 4wd gear driven transfer cases to be installed. Learn More


  2. Inchworm Gear Tacoma / FJ Cruiser / 4Runner Clockable Transmission Adapter to Gear Driven Transfer Case Kit, 1995-2015 (IWG-TTA)

    Inchworm Gear Tacoma / FJ Cruiser / 4Runner Clockable Transmission Adapter to Gear Driven Transfer Case Kit, 1995-2015 (IWG-TTA)

    Parts starting at: $399.00

    The Inchworm Tacoma Transmission Adapter allows a gear driven transfer case to be bolted up to a Tacoma, 4runner, FJ Cruiser, or Tundra transmission. Learn More


  3. Inchworm Gear Sealed Shifter Base (IG-380-1003)

    Inchworm Gear Sealed Toyota Shifter Base (IG-380-1003)

    $39.99
    Inchworm Gear Sealed Shifter Base (IG-380-1003) Learn More


  4. Inchworm Gear Shift Knobs

    Inchworm Gear Shift Knobs

    $19.99
    Get them while they’re hot! Inchworm’s shiny billet aluminum shift knobs are for your stock, twin, or triple stick shifters. Stock Tcase and 5speed levers are 12mm x 1.25 thread pitch while twin sticks, triple sticks, and single sealed shifters are 1/2-13 thread pitch. Learn More


  5. Inchworm Gear 2005+ Tacoma, 4Runner, FJ PreRunner Adapter (IWG-T4F-PRA)

  6. Inchworm Gear Built Lefty™ – Left Hand Drop Geared Transfer Case (TCASE-IW-600-01)

    Inchworm Gear Built Lefty™ (Leftie™) – Left Hand Drop Geared Transfer Case (TCASE-IW-600-01)

    $2,195.00
    The Lefty™ is a gear driven transfer case for a Tacoma, 4Runner, or FJ Cruiser with a left-hand drop front axle. It adapts to stock 5-speed and 6-speed manual transmissions, as well as stock automatics. Learn More


  7. Inchworm Gear Built Tacoma / FJ Cruiser / 4Runner Double Case Setup (TCASE-IW-600-03)

    Inchworm Gear Built Tacoma / FJ Cruiser / 4Runner Double Case Setup (TCASE-IW-600-03)

    $1,599.99

    The Inchworm Gear Built Transfer Cases are offered with a variety of different parts to suit yout needs!

    Learn More


  8. Inchworm Gear Multi-Fit Toyota Drive Shaft Flange Adapter (TDT-FA)

    Inchworm Gear Multi-Fit Toyota Drive Shaft Flange Adapter (TDT-FA)

    Regular Price: $60.00

    Sale Price $48.00

    This adapter will work to connect almost ANY Toyota flange and Toyota drive shaft!! It will even work as a drive shaft spacer for all patterns except the 95' and older CV's. This adapter does not work with the early 8mm bolt patterns, but works with all later 10mm bolt patterns. The aluminum sleeve pictured on the right fits in the center of the adapter from either side and allows installation of the adapter in either direction. Learn More


  9. 1992+ Toyota Chain Driven to Gear Driven Transfer Case Speed Sensor Parts (TDT-SSAK)

    Inchworm Gear 1992+ Toyota Chain Driven to Gear Driven Transfer Case Speed Sensor Parts (TDT-SS)

    Parts starting at: $21.00

    Toyota installed gear driven transfer cases in 4 cylinder pickups and 4Runners from 1979 through 1995. Speed sensors were not used as standard equipment in these rigs until about 1992. Speed sensors from chain driven t-cases don't fit gear driven t-cases. This means that swapping out a chain driven case in favor of a gear driven unit, in a 1992 or newer Toyota, will require a speed sensor. Learn More


  10. Inchworm Gear Toyota Early Auto Transmission Adapter Kit (IWG-EAA)

    Inchworm Gear Toyota Early Auto Transmission Adapter Kit (IWG-EAA)

    Parts starting at: $550.00

    Somebody said it couldn't be done so Inchworm did it! We are pleased to announce the availability of our Toyota Automatic Transmission Adapter. This adapter will allow you to bolt up a gear driven transfer case (or cases) behind your factory automatic transmission in pre-'95, 4cyl or V6, Toyota 4x4 pickups and 4Runners. Learn More


  11. Inchworm Gear 4cyl 4Runner w/ADD - G Series 5 Speed x 23 Spline Gear Driven Tcase Adapter Kit  (IWG-4ADDTAK-21)

    Inchworm Gear 4cyl 4Runner w/ADD - G Series 5 Speed x 23 Spline Gear Driven Tcase Adapter Kit (IWG-4ADDTAK-21)

    $375.00
    Attach a gear driven transfer case to your 4 cylinder 4Runners with ADD (Automatic Disconect Differentail) with the Inchworm Gear adapter to get the gearing options you want in the rig you’ve got. Adapter allows for 10 degrees of clocking Learn More


  12. Inchworm Gear V6 Trans to Gear Driven T-Case Adapter Kit (IWG-V6TAK)

    Inchworm Gear 3.0L V6 5 Speed Trans to Gear Driven T-Case Adapter Kit (IWG-V6TAK)

    Parts starting at: $375.00

    Attach a gear driven transfer case to your V6 manual transmission with the Inchworm Gear V6 adapter to get the gearing options you want in the rig you’ve got. Also 4 cylinder 4Runners with ADD will need this adapter to install gear driven cases. Adapter allows for 10 degrees of clocking. Learn More


  13. Toyota Rear Output Oil Seal for RF1A Gear Driven Transfer Case (TDT-ROS)

    Toyota Rear Output Oil Seal for RF1A Gear Driven Transfer Case (TDT-ROS)

    $9.34
    This is a new oil seal that are easily replaced to prevent oil seepage from your rear drive flange. If it is cracked, aged or leaking, then it is probably time for a replacement. These are new OEM units from Toyota, so you know they are great quality. Learn More


  14. Toyota Front Dust Seal for RF1A Gear Driven Transfer Case (TDT-FDS)

    Toyota Front Dust Seal for RF1A Gear Driven Transfer Case (TDT-FDS)

    $3.10
    These are new dust seals that are usually caked with dirt when you replace the seal. If it is caked with dirt, then it probably has been doing a good job by keeping it away from your transfer case. These are new OEM units from Toyota, so you know they are great quality. Learn More


  15. Toyota RF1A Gear Driven Transfer Case Shifter Housing Bolt (TTC-SHIFT-BOLT)

    Toyota RF1A Gear Driven Transfer Case Shifter Housing Bolt (TTC-SHIFT-BOLT)

    $1.24
    These bolts are needed to bolt down the shifter housings on Toyota Gear Driven Transfer Cases. If you are missing them, or just want to start out with new- these are the real deal. Learn More