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JEGS Posi Traction Differential for GM Car 12-Bolt, 30-Spline


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Posi Traction Differential for GM Car 12-Bolt, 30-Spline
SAVE $93.90
More than 10 available
Posi Traction Differential
  • GM Car
  • 12-Bolt
  • 30-Spline
  • 4.10+ Gear Ratio
  • 4-Spring, Clutch Style
  • Fully Rebuildable
  • Includes Exclusive JEGS Yellow Spring Pack
  • Free Shipping - Ships

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    62814 is rated 5.0 out of 5 by 1.
    Rated 5 out of 5 by from 12 bolt chevelle Bought a month ago it went in great, and instantly performed great, i haven't broke it yet and hard on it with a 410 gear.
    Date published: 2019-03-22
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    Will this fit 1968 cutlass? And do I need anything else to put in to make my car posi?

    Asked by: Jay70
    The 555-62814 fits 12-bolt, Chevrolet built housings only. It is not compatible with the Oldsmobile buitl housing.
    Answered by: jshook
    Date published: 2022-07-27

    I have a Eaton posi differential and 3:42 ring & pinion, want to change to a 4:10 ring and pinion. Will the current Eaton Posi unit work with the 4:10 gears?

    Asked by: bidblockchevy
    This part will work with the 4:10 gear set.
    Answered by: Rusty B
    Date published: 2018-09-21

    Who makes the internals Im assuming it’s not a actual jegs in house build 

    Asked by: Earnhardt12
    Per our purchasing agreement with the manufacture we are not at liberty to give out the manufacture name. These are built to our specs and we warranty these for the period of 1 years from the date purchased.
    Answered by: Rusty B
    Date published: 2018-06-08

    What is the spring rate of the yellow preload springs? 200lb, 400lb or 800lb?

    Asked by: SteveV8
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