4x4 Posi-Lok

  • 4x4 Posi-Lok reduces front differential wear and right axle breakage.
  • 4x4 Posi-Lok provides 2-wheel drive low range, giving the vehicle 4-LO torque at the rear axle with bind free steering only available in 2-HI. This feature is not available with factory systems and is beneficial when maneuvering trailers.
  • 4x4 Posi-Lok will not disengage when ignition is turned off or the differential is submerged.
  • 4x4 Posi-Lok is compatible with manual or electric transfer cases and installation can be completed in one to two hours with basic hand tools. No internal differential work is required.

Featured Products

  1. 4x4 Posi-Lok Cast Fork w/ Pads
    4x4 Posi-Lok Cast Fork w/ Pads
    PT#: PSL100
    Specific Fit
    Box/Cab: Fits All
    $58.99
  2. 4x4 Posi-Lok Perm Lok - PSL1000 - 88-98 Chevy / GMC K Series 4WD
    4x4 Posi-Lok Perm Lok - PSL1000 - 88-98 Chevy / GMC K Series 4WD
    PT#: PSL1000
    Specific Fit
    Box/Cab: Fits All
    $121.99
  3. 4x4 Posi-Lok Jeep/Dodge Perm Lok
    4x4 Posi-Lok Jeep/Dodge Perm Lok
    PT#: PSL1100
    Specific Fit
    Box/Cab: Fits All
    $120.99
  4. 4x4 Posi-Lok Dodge Ram Axle Disconnect
    4x4 Posi-Lok Dodge Ram Axle Disconnect
    PT#: PSL400
    Specific Fit
    Box/Cab: Fits All
    $231.99
  5. 4x4 Posi-Lok Dodge Axle Disconnect
    4x4 Posi-Lok Dodge Axle Disconnect
    PT#: PSL450
    Specific Fit
    Box/Cab: Fits All
    $230.99
  6. 4x4 Posi-Lok GM S-Series Axle Actuator
    4x4 Posi-Lok GM S-Series Axle Actuator
    PT#: PSL500
    Specific Fit
    Box/Cab: Fits All
    $230.99
  7. 4x4 Posi-Lok GM 6 Lug Axle Actuator
    4x4 Posi-Lok GM 6 Lug Axle Actuator
    PT#: PSL600
    Specific Fit
    Box/Cab: Fits All
    $231.99
  8. 4x4 Posi-Lok Ford F150 Axle Disconnect
    4x4 Posi-Lok Ford F150 Axle Disconnect
    PT#: PSL750
    Specific Fit
    Box/Cab: Fits All
    $230.99
  9. 4x4 Posi-Lok GM 8 Lug Axle Acutator
    4x4 Posi-Lok GM 8 Lug Axle Acutator
    PT#: PSL800
    Specific Fit
    Box/Cab: Fits All
    $230.99
  10. 4x4 Posi-Lok Jeep Axle Disconnect
    4x4 Posi-Lok Jeep Axle Disconnect
    PT#: PSL900
    Specific Fit
    Box/Cab: Fits All
    $231.99
  11. 4x4 Posi-Lok Jeep Axle Disconnect
    4x4 Posi-Lok Jeep Axle Disconnect
    PT#: PSL920
    Specific Fit
    Box/Cab: Fits All
    $231.99