- Brakes & Drivetrain
- Differential
- Limited Slip Differential
- Eaton Posi Differentials
Eaton Posi prevents wheel slip before it can get started. To do that, carbon disc clutch packs, preloaded by a central spring assembly, are located behind each differential side gear. When torque input increases, clamping load on the clutch packs increases. That causes the chatter-free clutch packs to grab and transfer power to the other wheel. Eaton Posi units are rebuildable. Muscle cars, hot rods and mild off-road vehicles should look to Eaton's limited-slip differential for their traction answers. And the fact is, Eaton's Posi units are virtually bulletproof.
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Eaton Posi Differential Kits Include:
- Eaton 12-Bolt Car Posi Unit
- JEGS Differential Installation Kit
- Lucas Heavy Duty Gear Oil (2 Quarts)
- Richmond Gear GM 12-Bolt Ring & Pinion Set
Note: Please read the more details section as some differentials require special bearings which are not included.
JEGS Easy Kits are designed by JEGS Professionals to assist your shopping experience.
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Ford 10.25/10.5"
Posi Differential1985-2011 Ford Car/Truck 35-Spline Axle 10.25"/10.5" Diameter Ring Gear Fits All Gear Ratios
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$968.99
Estimated to ship direct from manufacturer on 01/20/25, pending manufacturer availability.
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Ford 8.8
Posi Differential1983-2011 Ford Car/Truck 31-Spline Axles 8.8'' Diameter Ring Gear Fits All Gear Ratios
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$699.99
Estimated to ship direct from manufacturer on 01/20/25, pending manufacturer availability.
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Posi Differential1983-2011 Ford Car/Truck 28-Spline Axles 8.8" Diameter Ring Gear Fits All Gear Ratios
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$760.99
Estimated to ship direct from manufacturer in 24hrs
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GM 10-Bolt
Posi Differential1955-1964 GM Car 17-Spline Axles 8.5" Diameter Ring Gear Fits 3.90 & Down Gear Ratios
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$722.99
(1)
Ships Monday
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Posi Differential1963-79 Corvette 17-Spline Axles 8.50" Diameter Ring Gear Fits 3.08-3.90 Gear Ratios
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$826.99
Estimated to ship direct from manufacturer on 01/20/25, pending manufacturer availability.
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Posi Differential1963-79 Corvette 17-Spline Axles 8.5" Diameter Ring Gear Fits 4.11-4.56 Gear Ratios
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$594.35
Estimated to ship direct from manufacturer on 01/20/25, pending manufacturer availability.
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Posi Differential1964-71 B/O/P Car 28-Spline Axles 8.2'' Diameter Ring Gear Fits 3.36 & Up Gear Ratios
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$799.99
Estimated to ship direct from manufacturer on 02/27/25, pending manufacturer availability.
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Posi Differential1964-72 GM Car 28-Spline Axles 8.2'' Diameter Ring Gear Fits 3.08 & Up Gear Ratios
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$699.99
(3)
Ships Monday
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Posi Differential1971-89 GM Car/Truck Rear 1977-91 GM Tuck Front 28-Spline Axles 8.5'' Diameter Ring Gear Fits 2.73 & Up Gear Ratios
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$699.99
(1)
Estimated to ship direct from manufacturer on 01/20/25, pending manufacturer availability.
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Posi Differential1975-89 GM Car/Truck 26-Spline Axles 7.5'' Diameter Ring Gear Fits 3.23 & Up Gear Ratios
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$635.99
(1)
Estimated to ship direct from manufacturer on 01/15/25, pending manufacturer availability.
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Posi Differential1988-2009 GM Car/Truck 28-Spline Axles 7.5''/7.6'' Diameter Ring Gear Fits 3.23 & Up Gear Ratios
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$699.99
Estimated to ship direct from manufacturer on 01/20/25, pending manufacturer availability.
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Posi Differential1988-2009 GM Car/Truck Rear 1988-91 GM Truck Front 30-Spline Axles 8.5''/8.6'' Diameter Ring Gear Fits 2.73 & Up Gear Ratios
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$699.99
(2)
Estimated to ship direct from manufacturer on 01/20/25, pending manufacturer availability.
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GM 12-Bolt
Posi Differential1964-72 GM Car 30-Spline Axles 8.875'' Diameter Ring Gear Fits 3.08-3.90 Gear Ratios (3-Series)
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$699.99
(2)
Estimated to ship direct from manufacturer on 01/20/25, pending manufacturer availability.
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12-Bolt Car Posi Kit Fits 3.08 Gear Ratios (3-Series)
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$1,239.95
Estimated to ship direct from manufacturer on 01/20/25, pending manufacturer availability.
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12-Bolt Car Posi Kit Fits 3.42 Gear Ratios (3-Series)
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$1,206.95
Estimated to ship direct from manufacturer on 01/20/25, pending manufacturer availability.
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12-Bolt Car Posi Kit Fits 3.55 Gear Ratios (3-Series)
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$1,206.95
Estimated to ship direct from manufacturer on 01/20/25, pending manufacturer availability.
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12-Bolt Car Posi Kit Fits 3.73 Gear Ratios (3-Series)
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$1,206.95
Estimated to ship direct from manufacturer on 01/20/25, pending manufacturer availability.
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12-Bolt Car Posi Kit Fits 3.90 Gear Ratios (3-Series)
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$1,339.95
Estimated to ship direct from manufacturer on 01/20/25, pending manufacturer availability.
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12-Bolt Car Posi Kit Fits 4.10 Gear Ratios (3-Series)
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$1,315.95
Estimated to ship direct from manufacturer on 01/20/25, pending manufacturer availability.
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12-Bolt Car Posi Kit Fits 4.56 Gear Ratios (3-Series)
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$1,132.95
Estimated to ship direct from manufacturer on 01/20/25, pending manufacturer availability.
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1964-72 GM Car Posi Unit30-Spline Axles 8.875'' Diameter Ring Gear Fits 4.10 & Up Gear Ratios (4-Series)
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$747.99
Estimated to ship direct from manufacturer on 01/21/25, pending manufacturer availability.
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Posi Unit1964-81 GM Truck 30-Spline Axles 8.875" Diameter Ring Gear Fits 3.73 & Up Gear Ratios (4-Series)
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$716.99
(3)
Estimated to ship direct from manufacturer on 01/16/25, pending manufacturer availability.
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Posi Unit 1964-81 GM Truck 30-Spline Axles 8.875" Diameter Ring Gear Fits 2.76-3.42 Gear Ratios (3-Series)
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$568.99
(1)
Estimated to ship direct from manufacturer on 01/20/25, pending manufacturer availability.
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GM 14-Bolt
$849.99
(1)
Estimated to ship direct from manufacturer on 01/27/25, pending manufacturer availability.
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1973-2011 GM Car/Truck Posi Unit30-Spline Axles 10.5" Diameter Ring Gear Fits 4.56 & Up Gear Ratios
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$947.99
Estimated to ship direct from manufacturer on 01/20/25, pending manufacturer availability.
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$682.99
Estimated to ship direct from manufacturer on 01/20/25, pending manufacturer availability.
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