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Delivers Progressive Traction Keeping You in Control!
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Quiet, Strong Traction!
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The Original Lunch Box Locker!
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The Ultimate in Mechanically-Actuated Traction in a Forged Steel Case



PowerTrax produces a full line of traction products. From full spools and mini-spools for the ultimate in straight-line performance, to full limited slip posi differentials and drop in lockers, PowerTrax provides extreme traction solutions!

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“Having the original Lock-Right in my 1946 “Flatski” Willys got me through the Rubicon Trail.” Eric Filar

Eric Filar's 1946 Willys CJ-2A Universal Jeep

Where to Buy


Our Catalog

Extreme Traction Systems



Vehicle Application Guide

Find the correct parts for your vehicle. Our application guide allows you to search by vehicle or differential model.

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Product Info

Extreme Traction Systems


POWERTRAX is the leading manufacturer of traction adding differentials for the light truck, sport utility / off-road and performance street rod market. Our focus has always been on offering quality products that provide maximum traction, street-ability, and easy installation.

Whether you want the smooth and quiet operation of the PowerTrax GRIP Traction Systems, our latest design achievement, or the excellent value of the original Lock-Right lunchbox locker, our motto is simple: MAXIMUM TRACTION!

Tech Support

Our expert customer support technicians are the most intelligent technicians in the industry stand behind PowerTrax products. They are available Monday through Friday from 7:00 a.m. until 7:00 p.m., CST. Call us at (800) 934-2727


PowerTrax wants to be your wholesale driveline parts supplier. EZ-Link allows our customers to check stock in any of our regional warehouses, order literature and supplies, or place orders through the most user-friendly B2B ordering system in the country. Try EZ-Link now!