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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
    Special Price $48.32 Regular Price $53.69
  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
    Special Price $101.25 Regular Price $112.50
  3. 4x4 Posi-Lok Jeep/Dodge Perm Lok
    4x4 Posi-Lok Jeep/Dodge Perm Lok
    PT#: PSL1100
    Specific Fit
    Box/Cab: Fits All
    Special Price $116.68 Regular Price $129.64
  4. 4x4 Posi-Lok Dodge Ram Axle Disconnect
    4x4 Posi-Lok Dodge Ram Axle Disconnect
    PT#: PSL400
    Specific Fit
    Box/Cab: Fits All
    Special Price $224.23 Regular Price $249.14
  5. 4x4 Posi-Lok Dodge Axle Disconnect
    4x4 Posi-Lok Dodge Axle Disconnect
    PT#: PSL450
    Specific Fit
    Box/Cab: Fits All
    Special Price $224.24 Regular Price $249.16
  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
    Special Price $224.23 Regular Price $249.14
  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
    Special Price $224.23 Regular Price $249.14
  8. 4x4 Posi-Lok Ford F150 Axle Disconnect
    4x4 Posi-Lok Ford F150 Axle Disconnect
    PT#: PSL750
    Specific Fit
    Box/Cab: Fits All
    Special Price $224.23 Regular Price $249.14
  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
    Special Price $224.23 Regular Price $249.14
  10. 4x4 Posi-Lok Jeep Axle Disconnect
    4x4 Posi-Lok Jeep Axle Disconnect (PSL900)
    PT#: PSL900
    Specific Fit
    Box/Cab: Fits All
    Special Price $224.23 Regular Price $249.14
  11. 4x4 Posi-Lok Jeep Axle Disconnect
    4x4 Posi-Lok Jeep Axle Disconnect (PSL920)
    PT#: PSL920
    Specific Fit
    Box/Cab: Fits All
    Special Price $224.23 Regular Price $249.14

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.