ClickCease 2001-2010 GM 11.5" 14 Bolt - Gear and Truetrac Style Limited Slip Posi – Rigid Axle


2001-2010 GM 11.5" 14 Bolt - Gear and Truetrac Style Limited Slip Posi Package w/ Install Kit

$3,816.08 $2,616.09

HELLPOSI-GM11.5-RA GM11.5-342-RA GM11.5MK-A

Positraction, Gear & Install Package

Rigid Axle

+ -

GM 11.5" 14 Bolt Gear & Hell Posi Package


Package Includes:

(1) Rigid Axle "HELL" Positraction Carrier
(1) Rear GM 11.5" Ring and Pinion Gear Set (Choose Ratio Above)
(1) Differential Master Bearing Install Kit

- Our Detroit Truetrac style, "HELL" limited-slip positraction unit uses 3x2 spiral gears for progressive and variable traction. This unit acts like a standard open carrier under normal driving conditions making it unobtrusive. Once a tire looses traction, or the terrain changes, the helical cut gears mesh together transferring torque to the high traction tire. Once traction on both sides resumes, the carrier goes back to normal operation. The carrier case is forged steel for strength and reliability. Since this unit does not have clutches and steels, it is completely maintenance free! The helical-gear style limited slip posi is the perfect choice for daily drivers, weekend warriors, towing, basic off-road use, and street/strip applications. See below for some key features and tech specifications:

  • Fully Machined, Forged Steel Case
  • 3x2 Spiral Gears for Progressive and Variable Traction
  • 100% Maintenance Free
  • 1 year warranty against Manufacturer defects
  • Non-Synthetic GL-5 Gear Oil Recommended
  • Synthetic Oils and Friction Modifier Not Recommended

- *Note: The GM 11.5" differential had a design change in mid 2011. The early design has a rear pinion race with an O.D. of 4.125". The later design has an O.D. of 4.375". This master bearing install kit is for the 4.125" O.D. size. Contact support if you need help figuring out what differential you have.

- Our Rigid Axle gear package for the GM 11.5" comes complete with everything you need to regear. Whether you just added a lift and tires, or you want better stock performance, our gear package will get the job done. If you need help deciding on a gear ratio, please give us a call and we can build a custom kit for your needs!

- Remember to properly break in your new gear set! Click here for instructions!

- Our Master overhaul kits come with everything you need to replace, modify, or rebuild your differential. This will allow you to get the job done quicker, and cheaper at the end of the day. Rigid Axle master bearing install kits include:

  • Both (Inner & Outer) Pinion Bearings and Races
  • Carrier Bearings and Races
  • Pinion and Carrier Shims
  • Pinion Seal
  • Pinion Nut
  • Ring Gear Bolts
  • Crush Sleeve
  • Complete Shims
  • Threadlocker
  • RTV Sealant or Cover Gasket

- Rigid Axle is proud to offer our customers a full line of differential, transfer case, and transmission parts. We specialize in complete rebuild kits for domestic cars and trucks. Give us a call with your year, make, and model and we'll build you a custom kit for your build!


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  • Differential Model: GM 11.5"
  • Cover Bolt Quantity: 14
  • Carrier Breaks: None
  • Ring Gear Bolt Quantity: 12
  • Ring Gear Bolt Size: 14MM X 1.5 RH
  • Ring Gear Diameter: 11.5"
  • Pinion Diameter: 2.00"
  • Pinion Spline: 30
  • Rear Pinion Race O.D.: 4.125"

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