True shift on the fly! Works like hubs Lock up the 4-wheel drive instantly in any temperature from inside cab—whether you're moving or not! No need to stop truck to lock up system! 4x4 Posi-Lok™ replaces original 4WD actuator in your truck—takes only about an hour to install! With 4x4 Posi-Lok™ engaged, you'll always have complete control of 4x4 action at your fingertips—until you decide to disengage system. Instant lock up! No need to wait for console light to come on. No delays caused by cold outside temperatures. Won't disengage when you turn off ignition or are submerged in mud, water or snow. Always works when you need it.
Price: $401.79
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