Lock-Right Differential Locker PowerTrax 1240-LR, 30 Spline, Fits Chrysler 8.75" (741/742/489), Compatible with Dodge Challenger, Coronet, Plymouth Barracuda, Fury
Lock-Right Differential Locker PowerTrax 1240-LR, 30 Spline, Fits Chrysler 8.75" (741/742/489), Compatible with Dodge Challenger, Coronet, Plymouth Barracuda, Fury
Lock-Right Differential Locker PowerTrax 1240-LR, 30 Spline, Fits Chrysler 8.75" (741/742/489), Compatible with Dodge Challenger, Coronet, Plymouth Barracuda, Fury
Lock-Right Differential Locker PowerTrax 1240-LR, 30 Spline, Fits Chrysler 8.75" (741/742/489), Compatible with Dodge Challenger, Coronet, Plymouth Barracuda, Fury
Lock-Right Differential Locker PowerTrax 1240-LR, 30 Spline, Fits Chrysler 8.75" (741/742/489), Compatible with Dodge Challenger, Coronet, Plymouth Barracuda, Fury
Lock-Right Differential Locker PowerTrax 1240-LR, 30 Spline, Fits Chrysler 8.75" (741/742/489), Compatible with Dodge Challenger, Coronet, Plymouth Barracuda, Fury
Lock-Right Differential Locker PowerTrax 1240-LR, 30 Spline, Fits Chrysler 8.75" (741/742/489), Compatible with Dodge Challenger, Coronet, Plymouth Barracuda, Fury
Lock-Right Differential Locker PowerTrax 1240-LR, 30 Spline, Fits Chrysler 8.75" (741/742/489), Compatible with Dodge Challenger, Coronet, Plymouth Barracuda, Fury

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Home / Automotive / Replacement Parts / Splined Drives

Lock-Right Differential Locker PowerTrax 1240-LR, 30 Spline, Fits Chrysler 8.75" (741/742/489), Compatible with Dodge Challenger, Coronet, Plymouth Barracuda, Fury

$648.14 USD

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Brand : Powertrax/Lockright
PowerTrax 1240-LR Lock-Right Differential Locker fits Chrysler 8.75" axles.
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Lock-Right Differential Locker PowerTrax 1240-LR, 30 Spline, Fits Chrysler 8.75" (741/742/489), Compatible with Dodge Challenger, Coronet, Plymouth Barracuda, Fury
Lock-Right Differential Locker PowerTrax 1240-LR, 30 Spline, Fits Chrysler 8.75" (741/742/489), Compatible with Dodge Challenger, Coronet, Plymouth Barracuda, Fury
View Detail
Type
Splined Drives
Title
Lock-Right Differential Locker PowerTrax 1240-LR, 30 Spline, Fits Chrysler 8.75" (741/742/489), Compatible with Dodge Challenger, Coronet, Plymouth Barracuda, Fury
Price
$648.14 USD
Vendor
Powertrax/Lockright
Description
PowerTrax 1240-LR Lock-Right Automatic Locker – Chrysler 8.75" (741/742/489), 30 Spline.Designed for Chrysler 8.75" axles, the PowerTrax 1240-LR Lock-Right Differential Locker offers enhanced traction.This drop-in locker is perfect for muscle cars, drag racing, and off-road vehicles, ensuring power is evenly distributed between both wheels.

More about this item : Lock-Right Differential Locker PowerTrax 1240-LR, 30 Spline, Fits Chrysler 8.75" (741/742/489), Compatible with Dodge Challenger, Coronet, Plymouth Barracuda, Fury

PowerTrax 1240-LR Lock-Right Automatic Locker – Chrysler 8.75" (741/742/489), 30 Spline.

Designed for Chrysler 8.75" axles, the PowerTrax 1240-LR Lock-Right Differential Locker offers enhanced traction.

This drop-in locker is perfect for muscle cars, drag racing, and off-road vehicles, ensuring power is evenly distributed between both wheels.

Lock-Right Differential Locker PowerTrax 1240-LR, 30 Spline, Fits Chrysler 8.75" (741/742/489), Compatible with Dodge Challenger, Coronet, Plymouth Barracuda, Fury
Key Features
  • ✅ Automatic Locking Differential – Locks both wheels together, delivering full traction and preventing slip in wet, rocky, or off-road conditions, ideal for classic muscle cars and off-road enthusiasts
  • ✅ Designed for Chrysler 8.75" Axles – Engineered for 30-spline open differentials with removable carriers, fits 741, 742, and 489 cases, providing reliable performance for street, strip, and off-road use
  • ✅ Drop-In Installation, No Adjustments – Installs quickly inside the existing open differential case, eliminating the need for major modifications or re-gearing, making it ideal for DIY and performance upgrades
  • ✅ Heavy-Duty Steel Construction – Made from hardened steel to handle high torque loads and aggressive acceleration, ensuring durability for both everyday drivers and high-performance applications
  • ✅ Replaces Auburn Gear & Eaton Parts – Direct replacement for Auburn Gear 542051 and Eaton 913A572, offering improved traction and performance without altering the factory ring and pinion setup
  • ✅ Compatible with Multiple Chrysler Models – Fits various Chrysler models including 300, Imperial, New Yorker, Newport, and Town & Country
Technical Specifications
  • Length : 9.0 lb
  • Width : 4.25 lb
  • Height : 2.25 lb
  • Weight : 7.0 lb
Product Identifiers
  • ASIN B00IVQGDGK
  • UPC: 698231805527
Shipping Information
  • Ships From : United States
  • Brand : Powertrax/Lockright

Frequently Asked Questions About : Lock-Right Differential Locker PowerTrax 1240-LR, 30 Spline, Fits Chrysler 8.75" (741/742/489), Compatible with Dodge Challenger, Coronet, Plymouth Barracuda, Fury

01 What is the part number for the Lock-Right Differential Locker?

The part number is PowerTrax 1240-LR.

02 What type of axles does this locker fit?

It fits Chrysler 8.75" axles.

03 Which models are compatible with this differential locker?

Compatible models include Dodge Challenger, Coronet, and Plymouth Barracuda.

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