Fj80/Fj100 Spool Locker Trail Gear



FJ80 and FJ100 Spool Locker Transfer Case Part Time 4 Wheel Drive Spool Kit is an excellent option to increase the performance of your FJ80 or FJ100 Land Cruiser. The tough heat-treated 8620 tool steel spool and Delrin spacer replaces the rear differential case, spider gears, rear side gear, and viscous coupler in the transfer case center differential.

This allows the drivetrain to be permanently locked to the rear wheels. As a result, the front drive flanges can be replaced with manual locking hubs, which prevent the front axles, front differential, and front driveshaft from turning when 4 Wheel Drive is not needed. The result is improved steering feel on the road, less wear and tear on front axle components, and increased acceleration and fuel economy when not in 4 Wheel Drive.

This kit is fully compatible with our Trail-Creeper FJ80 and FJ100 3.11 6 to 1 Low Range T-Case Gear Set and can be installed at the same time. We highly recommend that you read the installation instructions thoroughly before ordering, as this will affect the way you engage 4 Wheel Drive on your vehicle.

Also, after conversion to Part-Time 4 Wheel Drive, Front ABS will only function when the locking hubs are engaged. When the locking hubs are not engaged, the front brakes will function like a standard braking system no anti-lock capability.
Kit Includes:

  • Spool
  • Delrin spacer
  • Spacer mounting screws
  • Instructions
  • Tube of Ultra-Grey silicone
  • Required to Complete Conversion to 4 Wheel Drive:
  • Manual locking hubs
  • Axle shaft spacers
  • Center Differential Lock Switch


  • Warranty: 12 Month Limited Warranty
  • Sold As: Kit
  • Material: Steel
  • Finish: Bare
  • Color: Grey
  • Location: Front
  • Fits: 1990-2007 Toyota Land Cruiser and 1995-2007 Lexus LX

Additional information

Weight 5.10000 lbs
Dimensions 7.50000 × 7.50000 × 3.50000 in


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