Locker and Limited-Slip Buyer’s Guide

What you need to know be­fore you splurge

Jp Magazine - - Table Of Contents - By Jered Korfhage and Stu­art A. Bour­don jped­i­tor@jp­ Pho­tog­ra­phy: Cour­tesy of the man­u­fac­tur­ers

A guide to the world of lock­ers and limited slips for your Jeep

You press the gas pedal, only to see one of your wheels hang­ing mo­tion­less while the

other on the same axle spins. Is the axle bro­ken? Hope­fully not. Un­less you heard some loud metal­lic snap­ping noises, you’re more likely just suf­fer­ing from a case of open dif­fer­en­tials—stan­dard equip­ment on many fac­tory 4x4s. It’s not just em­bar­rass­ing—it’s non-pro­duc­tive.

Open dif­fer­en­tials are help­ful on pave­ment. They al­low your ve­hi­cle’s in­ner and outer wheels to eas­ily spin at dif­fer­ent speeds when cor­ner­ing, in­stead of fight­ing with each other and cre­at­ing ex­ces­sive tire and driv­e­train wear and tear. Take them off-road, how­ever, and they can spell dis­as­ter when one wheel finds its way into the air or deep into a mud pud­dle.

How can you solve this dread­ful dif­fer­en­tial dilemma? Lock­ers and limited-slip de­vices from the af­ter­mar­ket come to the res­cue, and thank­fully there is a wide selection of trac­tion aids avail­able for your Jeep. Check out the op­tions be­low to find your per­fect trac­tion so­lu­tion, con­tact the man­u­fac­tur­ers you are in­ter­ested in for more de­tails, and get all those wheels turn­ing.

Nitro Gear & Axle Lunch­Box Locker

Pack­aged in­side a box that looks like a… lunch­box, this au­to­matic locker kit is ready to turn any tire-spin­ning open dif­fer­en­tial into a locked-up, trac­tion-grab­bing gem. Open up your tool­box and show your spi­der gears to the door.

Fit­ment: Op­tions for com­mon Jeep fac­tory axles (in­clud­ing D20) and pop­u­lar axle swaps.

Information: Nitro Gear & Axle, 916/673-6464,

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